From 8d68b6a056244160da38681a0785e30d238f62b3 Mon Sep 17 00:00:00 2001
From: 07calc <maheshwarivinayak90@gmail.com>
Date: Sat, 25 Apr 2026 22:51:11 +0530
Subject: [PATCH 1/6] init

---
 .gitignore                  |   1 +
 Cargo.lock                  | 837 ++++++------------------------------
 Cargo.toml                  |  30 +-
 crates/cache/Cargo.toml     |  10 +
 crates/cache/src/lib.rs     |   3 +
 crates/cli/Cargo.toml       |  18 +
 crates/cli/src/main.rs      |   3 +
 crates/config/Cargo.toml    |  12 +
 crates/config/src/lib.rs    |   1 +
 crates/dev/Cargo.toml       |  10 +
 crates/dev/src/lib.rs       |   3 +
 crates/env/Cargo.toml       |  10 +
 crates/env/src/lib.rs       |  10 +
 crates/executor/Cargo.toml  |  11 +
 crates/executor/src/lib.rs  |   1 +
 crates/graph/Cargo.toml     |  11 +
 crates/graph/src/lib.rs     |   1 +
 crates/scheduler/Cargo.toml |  11 +
 crates/scheduler/src/lib.rs |   1 +
 crates/types/Cargo.toml     |  10 +
 crates/types/src/lib.rs     |   1 +
 crates/utils/Cargo.toml     |   9 +
 crates/utils/src/lib.rs     |   3 +
 src/colors.rs               |   9 -
 src/config.rs               |  27 --
 src/env_parser.rs           |  22 -
 src/installer.rs            |  82 ----
 src/kill_process.rs         |  64 ---
 src/main.rs                 |  47 --
 src/parser.rs               |  23 -
 src/print_banner.rs         |  36 --
 src/runner.rs               |  11 -
 src/spawn_service.rs        | 107 -----
 src/watcher.rs              | 122 ------
 34 files changed, 277 insertions(+), 1280 deletions(-)
 create mode 100644 crates/cache/Cargo.toml
 create mode 100644 crates/cache/src/lib.rs
 create mode 100644 crates/cli/Cargo.toml
 create mode 100644 crates/cli/src/main.rs
 create mode 100644 crates/config/Cargo.toml
 create mode 100644 crates/config/src/lib.rs
 create mode 100644 crates/dev/Cargo.toml
 create mode 100644 crates/dev/src/lib.rs
 create mode 100644 crates/env/Cargo.toml
 create mode 100644 crates/env/src/lib.rs
 create mode 100644 crates/executor/Cargo.toml
 create mode 100644 crates/executor/src/lib.rs
 create mode 100644 crates/graph/Cargo.toml
 create mode 100644 crates/graph/src/lib.rs
 create mode 100644 crates/scheduler/Cargo.toml
 create mode 100644 crates/scheduler/src/lib.rs
 create mode 100644 crates/types/Cargo.toml
 create mode 100644 crates/types/src/lib.rs
 create mode 100644 crates/utils/Cargo.toml
 create mode 100644 crates/utils/src/lib.rs
 delete mode 100644 src/colors.rs
 delete mode 100644 src/config.rs
 delete mode 100644 src/env_parser.rs
 delete mode 100644 src/installer.rs
 delete mode 100644 src/kill_process.rs
 delete mode 100644 src/main.rs
 delete mode 100644 src/parser.rs
 delete mode 100644 src/print_banner.rs
 delete mode 100644 src/runner.rs
 delete mode 100644 src/spawn_service.rs
 delete mode 100644 src/watcher.rs

diff --git a/.gitignore b/.gitignore
index 00cabc7..d3334d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /target
+AGENTS.md
 test_servers/
 fyrer.yml
diff --git a/Cargo.lock b/Cargo.lock
index 054c224..7e323d9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,416 +3,230 @@
 version = 4
 
 [[package]]
-name = "aho-corasick"
-version = "1.1.3"
+name = "anstream"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a"
 dependencies = [
- "memchr",
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
 ]
 
 [[package]]
-name = "bitflags"
-version = "1.3.2"
+name = "anstyle"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
 
 [[package]]
-name = "bitflags"
-version = "2.10.0"
+name = "anstyle-parse"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
-
-[[package]]
-name = "bstr"
-version = "1.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "234113d19d0d7d613b40e86fb654acf958910802bcceab913a4f9e7cda03b1a4"
+checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
 dependencies = [
- "memchr",
- "serde",
+ "utf8parse",
 ]
 
 [[package]]
-name = "bytes"
-version = "1.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
-
-[[package]]
-name = "cfg-if"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
-
-[[package]]
-name = "cfg_aliases"
-version = "0.2.1"
+name = "anstyle-query"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
-
-[[package]]
-name = "clearscreen"
-version = "4.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85a8ab73a1c02b0c15597b22e09c7dc36e63b2f601f9d1e83ac0c3decd38b1ae"
-dependencies = [
- "nix",
- "terminfo",
- "thiserror",
- "which",
- "windows-sys 0.59.0",
-]
-
-[[package]]
-name = "colored"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "117725a109d387c937a1533ce01b450cbde6b88abceea8473c4d7a85853cda3c"
+checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "lazy_static",
- "windows-sys 0.59.0",
+ "windows-sys",
 ]
 
 [[package]]
-name = "crossbeam-channel"
-version = "0.5.15"
+name = "anstyle-wincon"
+version = "3.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2"
+checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
- "crossbeam-utils",
+ "anstyle",
+ "once_cell_polyfill",
+ "windows-sys",
 ]
 
 [[package]]
-name = "crossbeam-utils"
-version = "0.8.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
-
-[[package]]
-name = "env_home"
-version = "0.1.0"
+name = "anyhow"
+version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7f84e12ccf0a7ddc17a6c41c93326024c42920d7ee630d04950e6926645c0fe"
+checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
 [[package]]
-name = "equivalent"
-version = "1.0.2"
+name = "clap"
+version = "4.5.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
-
-[[package]]
-name = "errno"
-version = "0.3.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
+checksum = "2797f34da339ce31042b27d23607e051786132987f595b02ba4f6a6dffb7030a"
 dependencies = [
- "libc",
- "windows-sys 0.61.2",
+ "clap_builder",
+ "clap_derive",
 ]
 
 [[package]]
-name = "filetime"
-version = "0.2.26"
+name = "clap_builder"
+version = "4.5.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc0505cd1b6fa6580283f6bdf70a73fcf4aba1184038c90902b92b3dd0df63ed"
+checksum = "24a241312cea5059b13574bb9b3861cabf758b879c15190b37b6d6fd63ab6876"
 dependencies = [
- "cfg-if",
- "libc",
- "libredox",
- "windows-sys 0.60.2",
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
 ]
 
 [[package]]
-name = "fnv"
-version = "1.0.7"
+name = "clap_derive"
+version = "4.5.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
-
-[[package]]
-name = "fsevent-sys"
-version = "4.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76ee7a02da4d231650c7cea31349b889be2f45ddb3ef3032d2ec8185f6313fd2"
+checksum = "a92793da1a46a5f2a02a6f4c46c6496b28c43638adea8306fcb0caa1634f24e5"
 dependencies = [
- "libc",
-]
-
-[[package]]
-name = "fyrer"
-version = "0.2.2"
-dependencies = [
- "clearscreen",
- "colored",
- "globset",
- "notify",
- "serde",
- "serde_derive",
- "serde_yaml",
- "tokio",
-]
-
-[[package]]
-name = "globset"
-version = "0.4.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52dfc19153a48bde0cbd630453615c8151bce3a5adfac7a0aebfbf0a1e1f57e3"
-dependencies = [
- "aho-corasick",
- "bstr",
- "log",
- "regex-automata",
- "regex-syntax",
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
-name = "hashbrown"
-version = "0.16.0"
+name = "clap_lex"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
+checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
 
 [[package]]
-name = "indexmap"
-version = "2.12.0"
+name = "colorchoice"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6717a8d2a5a929a1a2eb43a12812498ed141a0bcfb7e8f7844fbdbe4303bba9f"
-dependencies = [
- "equivalent",
- "hashbrown",
-]
+checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
 
 [[package]]
-name = "inotify"
-version = "0.9.6"
+name = "equivalent"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8069d3ec154eb856955c1c0fbffefbf5f3c40a104ec912d4797314c1801abff"
-dependencies = [
- "bitflags 1.3.2",
- "inotify-sys",
- "libc",
-]
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
 [[package]]
-name = "inotify-sys"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e05c02b5e89bff3b946cedeca278abc628fe811e604f027c45a8aa3cf793d0eb"
+name = "fyrer"
+version = "0.3.0"
 dependencies = [
- "libc",
+ "anyhow",
+ "clap",
+ "fyrer-config",
+ "fyrer-executor",
+ "fyrer-graph",
+ "fyrer-scheduler",
+ "fyrer-types",
 ]
 
 [[package]]
-name = "itoa"
-version = "1.0.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
-
-[[package]]
-name = "kqueue"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eac30106d7dce88daf4a3fcb4879ea939476d5074a9b7ddd0fb97fa4bed5596a"
+name = "fyrer-cache"
+version = "0.3.0"
 dependencies = [
- "kqueue-sys",
- "libc",
+ "fyrer-types",
 ]
 
 [[package]]
-name = "kqueue-sys"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed9625ffda8729b85e45cf04090035ac368927b8cebc34898e7c120f52e4838b"
+name = "fyrer-config"
+version = "0.3.0"
 dependencies = [
- "bitflags 1.3.2",
- "libc",
-]
-
-[[package]]
-name = "lazy_static"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-
-[[package]]
-name = "libc"
-version = "0.2.177"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
-
-[[package]]
-name = "libredox"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "416f7e718bdb06000964960ffa43b4335ad4012ae8b99060261aa4a8088d5ccb"
-dependencies = [
- "bitflags 2.10.0",
- "libc",
- "redox_syscall",
+ "anyhow",
+ "fyrer-types",
+ "serde_yaml",
 ]
 
 [[package]]
-name = "linux-raw-sys"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df1d3c3b53da64cf5760482273a98e575c651a67eec7f77df96b5b642de8f039"
-
-[[package]]
-name = "lock_api"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
+name = "fyrer-dev"
+version = "0.3.0"
 dependencies = [
- "scopeguard",
+ "fyrer-types",
 ]
 
 [[package]]
-name = "log"
-version = "0.4.28"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
-
-[[package]]
-name = "memchr"
-version = "2.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
-
-[[package]]
-name = "minimal-lexical"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
-
-[[package]]
-name = "mio"
-version = "0.8.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
+name = "fyrer-env"
+version = "0.3.0"
 dependencies = [
- "libc",
- "log",
- "wasi",
- "windows-sys 0.48.0",
+ "fyrer-types",
 ]
 
 [[package]]
-name = "mio"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69d83b0086dc8ecf3ce9ae2874b2d1290252e2a30720bea58a5c6639b0092873"
+name = "fyrer-executor"
+version = "0.3.0"
 dependencies = [
- "libc",
- "wasi",
- "windows-sys 0.61.2",
+ "anyhow",
+ "fyrer-types",
 ]
 
 [[package]]
-name = "nix"
-version = "0.29.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
+name = "fyrer-graph"
+version = "0.3.0"
 dependencies = [
- "bitflags 2.10.0",
- "cfg-if",
- "cfg_aliases",
- "libc",
+ "anyhow",
+ "fyrer-types",
 ]
 
 [[package]]
-name = "nom"
-version = "7.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+name = "fyrer-scheduler"
+version = "0.3.0"
 dependencies = [
- "memchr",
- "minimal-lexical",
+ "fyrer-graph",
+ "fyrer-types",
 ]
 
 [[package]]
-name = "notify"
-version = "6.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6205bd8bb1e454ad2e27422015fb5e4f2bcc7e08fa8f27058670d208324a4d2d"
+name = "fyrer-types"
+version = "0.3.0"
 dependencies = [
- "bitflags 2.10.0",
- "crossbeam-channel",
- "filetime",
- "fsevent-sys",
- "inotify",
- "kqueue",
- "libc",
- "log",
- "mio 0.8.11",
- "walkdir",
- "windows-sys 0.48.0",
+ "serde",
 ]
 
 [[package]]
-name = "parking_lot"
-version = "0.12.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93857453250e3077bd71ff98b6a65ea6621a19bb0f559a85248955ac12c45a1a"
-dependencies = [
- "lock_api",
- "parking_lot_core",
-]
+name = "fyrer-utils"
+version = "0.3.0"
 
 [[package]]
-name = "parking_lot_core"
-version = "0.9.12"
+name = "hashbrown"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
-dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-link",
-]
+checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
 
 [[package]]
-name = "phf"
-version = "0.11.3"
+name = "heck"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fd6780a80ae0c52cc120a26a1a42c1ae51b247a253e4e06113d23d2c2edd078"
-dependencies = [
- "phf_shared",
-]
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
-name = "phf_codegen"
-version = "0.11.3"
+name = "indexmap"
+version = "2.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aef8048c789fa5e851558d709946d6d79a8ff88c0440c587967f8e94bfb1216a"
+checksum = "6717a8d2a5a929a1a2eb43a12812498ed141a0bcfb7e8f7844fbdbe4303bba9f"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "equivalent",
+ "hashbrown",
 ]
 
 [[package]]
-name = "phf_generator"
-version = "0.11.3"
+name = "is_terminal_polyfill"
+version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c80231409c20246a13fddb31776fb942c38553c51e871f8cbd687a4cfb5843d"
-dependencies = [
- "phf_shared",
- "rand",
-]
+checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
 
 [[package]]
-name = "phf_shared"
-version = "0.11.3"
+name = "itoa"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67eabc2ef2a60eb7faa00097bd1ffdb5bd28e62bf39990626a582201b7a754e5"
-dependencies = [
- "siphasher",
-]
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
 [[package]]
-name = "pin-project-lite"
-version = "0.2.16"
+name = "once_cell_polyfill"
+version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
+checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
 [[package]]
 name = "proc-macro2"
@@ -432,81 +246,12 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
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-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
-dependencies = [
- "rand_core",
-]
-
-[[package]]
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-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-
-[[package]]
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-version = "0.5.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d"
-dependencies = [
- "bitflags 2.10.0",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.4.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5276caf25ac86c8d810222b3dbb938e512c55c6831a10f3e6ed1c93b84041f1c"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
-
-[[package]]
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-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd15f8a2c5551a84d56efdc1cd049089e409ac19a3072d5037a17fd70719ff3e"
-dependencies = [
- "bitflags 2.10.0",
- "errno",
- "libc",
- "linux-raw-sys",
- "windows-sys 0.61.2",
-]
-
 [[package]]
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 version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
 
-[[package]]
-name = "same-file"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
-dependencies = [
- "winapi-util",
-]
-
-[[package]]
-name = "scopeguard"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
-
 [[package]]
 name = "serde"
 version = "1.0.228"
@@ -551,35 +296,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "signal-hook-registry"
-version = "1.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2a4719bff48cee6b39d12c020eeb490953ad2443b7055bd0b21fca26bd8c28b"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "siphasher"
-version = "1.0.1"
+name = "strsim"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56199f7ddabf13fe5074ce809e7d3f42b42ae711800501b5b16ea82ad029c39d"
-
-[[package]]
-name = "smallvec"
-version = "1.15.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
-
-[[package]]
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-checksum = "17129e116933cf371d018bb80ae557e889637989d8638274fb25622827b03881"
-dependencies = [
- "libc",
- "windows-sys 0.60.2",
-]
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "syn"
@@ -592,66 +312,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "terminfo"
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-checksum = "d4ea810f0692f9f51b382fff5893887bb4580f5fa246fde546e0b13e7fcee662"
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- "fnv",
- "nom",
- "phf",
- "phf_codegen",
-]
-
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-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
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-checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
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-checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
-dependencies = [
- "bytes",
- "libc",
- "mio 1.1.0",
- "parking_lot",
- "pin-project-lite",
- "signal-hook-registry",
- "socket2",
- "tokio-macros",
- "windows-sys 0.61.2",
-]
-
-[[package]]
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-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.20"
@@ -665,40 +325,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
 
 [[package]]
-name = "walkdir"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
-dependencies = [
- "same-file",
- "winapi-util",
-]
-
-[[package]]
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-version = "0.11.1+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
-
-[[package]]
-name = "which"
-version = "8.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3fabb953106c3c8eea8306e4393700d7657561cb43122571b172bbfb7c7ba1d"
-dependencies = [
- "env_home",
- "rustix",
- "winsafe",
-]
-
-[[package]]
-name = "winapi-util"
-version = "0.1.11"
+name = "utf8parse"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
-dependencies = [
- "windows-sys 0.61.2",
-]
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "windows-link"
@@ -706,33 +336,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
-[[package]]
-name = "windows-sys"
-version = "0.48.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
-dependencies = [
- "windows-targets 0.48.5",
-]
-
-[[package]]
-name = "windows-sys"
-version = "0.59.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
-dependencies = [
- "windows-targets 0.52.6",
-]
-
-[[package]]
-name = "windows-sys"
-version = "0.60.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
-dependencies = [
- "windows-targets 0.53.5",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.61.2"
@@ -741,195 +344,3 @@ checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
 dependencies = [
  "windows-link",
 ]
-
-[[package]]
-name = "windows-targets"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
-dependencies = [
- "windows_aarch64_gnullvm 0.48.5",
- "windows_aarch64_msvc 0.48.5",
- "windows_i686_gnu 0.48.5",
- "windows_i686_msvc 0.48.5",
- "windows_x86_64_gnu 0.48.5",
- "windows_x86_64_gnullvm 0.48.5",
- "windows_x86_64_msvc 0.48.5",
-]
-
-[[package]]
-name = "windows-targets"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
-dependencies = [
- "windows_aarch64_gnullvm 0.52.6",
- "windows_aarch64_msvc 0.52.6",
- "windows_i686_gnu 0.52.6",
- "windows_i686_gnullvm 0.52.6",
- "windows_i686_msvc 0.52.6",
- "windows_x86_64_gnu 0.52.6",
- "windows_x86_64_gnullvm 0.52.6",
- "windows_x86_64_msvc 0.52.6",
-]
-
-[[package]]
-name = "windows-targets"
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-checksum = "4945f9f551b88e0d65f3db0bc25c33b8acea4d9e41163edf90dcd0b19f9069f3"
-dependencies = [
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- "windows_aarch64_gnullvm 0.53.1",
- "windows_aarch64_msvc 0.53.1",
- "windows_i686_gnu 0.53.1",
- "windows_i686_gnullvm 0.53.1",
- "windows_i686_msvc 0.53.1",
- "windows_x86_64_gnu 0.53.1",
- "windows_x86_64_gnullvm 0.53.1",
- "windows_x86_64_msvc 0.53.1",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
-
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-
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-
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diff --git a/Cargo.toml b/Cargo.toml
index c68f7f5..4f8014c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,22 +1,18 @@
-[package]
-name = "fyrer"
-version = "0.2.2"
+[workspace]
+resolver = "3"
+members = ["crates/*"]
+default-members = ["crates/cli"]
+
+[workspace.package]
+version = "0.3.0"
 edition = "2024"
-authors = ["Calc hello@vinm.me"]
-description = "A lightweight tool to run multiple dev servers concurrently"
-readme = "README.md"
+authors = ["Calc <hello@vinm.me>"]
 license = "MIT"
 repository = "https://github.com/07calc/fyrer"
-keywords = ["dev", "server", "concurrent", "tool"]
-categories = ["development-tools"]
-exclude = ["/target/*", "*.rs.bk", "*.log", "examples/*"]
 
-[dependencies]
-clearscreen = "4.0.2"
-colored = "2.0"
+[workspace.dependencies]
+anyhow = "1.0"
+clap = { version = "4.5", features = ["derive"] }
 serde = { version = "1.0", features = ["derive"] }
-serde_derive = "1.0.228"
-serde_yaml = "0.9.34"
-tokio = { version = "1.0", features = ["full"] }
-notify = "6.1"
-globset = "0.4.18"
+serde_yaml = "0.9"
+thiserror = "1.0"
diff --git a/crates/cache/Cargo.toml b/crates/cache/Cargo.toml
new file mode 100644
index 0000000..15709c2
--- /dev/null
+++ b/crates/cache/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "fyrer-cache"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+fyrer-types = { path = "../types" }
diff --git a/crates/cache/src/lib.rs b/crates/cache/src/lib.rs
new file mode 100644
index 0000000..0771bcc
--- /dev/null
+++ b/crates/cache/src/lib.rs
@@ -0,0 +1,3 @@
+pub fn is_cacheable(is_persistent: bool, is_utility: bool) -> bool {
+    !(is_persistent || is_utility)
+}
diff --git a/crates/cli/Cargo.toml b/crates/cli/Cargo.toml
new file mode 100644
index 0000000..b00b888
--- /dev/null
+++ b/crates/cli/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "fyrer"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+description = "Graph-based monorepo execution engine"
+readme = "../../README.md"
+
+[dependencies]
+anyhow.workspace = true
+clap.workspace = true
+fyrer-config = { path = "../config" }
+fyrer-executor = { path = "../executor" }
+fyrer-graph = { path = "../graph" }
+fyrer-scheduler = { path = "../scheduler" }
+fyrer-types = { path = "../types" }
diff --git a/crates/cli/src/main.rs b/crates/cli/src/main.rs
new file mode 100644
index 0000000..5d7c953
--- /dev/null
+++ b/crates/cli/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("fyrer scaffold initialized");
+}
diff --git a/crates/config/Cargo.toml b/crates/config/Cargo.toml
new file mode 100644
index 0000000..b6d3da4
--- /dev/null
+++ b/crates/config/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "fyrer-config"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+serde_yaml.workspace = true
+fyrer-types = { path = "../types" }
diff --git a/crates/config/src/lib.rs b/crates/config/src/lib.rs
new file mode 100644
index 0000000..f42d5a8
--- /dev/null
+++ b/crates/config/src/lib.rs
@@ -0,0 +1 @@
+pub struct ConfigScaffold;
diff --git a/crates/dev/Cargo.toml b/crates/dev/Cargo.toml
new file mode 100644
index 0000000..83866e7
--- /dev/null
+++ b/crates/dev/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "fyrer-dev"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+fyrer-types = { path = "../types" }
diff --git a/crates/dev/src/lib.rs b/crates/dev/src/lib.rs
new file mode 100644
index 0000000..43fb179
--- /dev/null
+++ b/crates/dev/src/lib.rs
@@ -0,0 +1,3 @@
+pub fn is_persistent_mode(mode: &str) -> bool {
+    mode == "persistent"
+}
diff --git a/crates/env/Cargo.toml b/crates/env/Cargo.toml
new file mode 100644
index 0000000..d142694
--- /dev/null
+++ b/crates/env/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "fyrer-env"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+fyrer-types = { path = "../types" }
diff --git a/crates/env/src/lib.rs b/crates/env/src/lib.rs
new file mode 100644
index 0000000..137de08
--- /dev/null
+++ b/crates/env/src/lib.rs
@@ -0,0 +1,10 @@
+use std::collections::HashMap;
+
+pub fn merge_env(
+    global: &HashMap<String, String>,
+    project: &HashMap<String, String>,
+) -> HashMap<String, String> {
+    let mut merged = global.clone();
+    merged.extend(project.clone());
+    merged
+}
diff --git a/crates/executor/Cargo.toml b/crates/executor/Cargo.toml
new file mode 100644
index 0000000..b69ce8a
--- /dev/null
+++ b/crates/executor/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "fyrer-executor"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+fyrer-types = { path = "../types" }
diff --git a/crates/executor/src/lib.rs b/crates/executor/src/lib.rs
new file mode 100644
index 0000000..811f711
--- /dev/null
+++ b/crates/executor/src/lib.rs
@@ -0,0 +1 @@
+pub struct ExecutorScaffold;
diff --git a/crates/graph/Cargo.toml b/crates/graph/Cargo.toml
new file mode 100644
index 0000000..9d538dd
--- /dev/null
+++ b/crates/graph/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "fyrer-graph"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+fyrer-types = { path = "../types" }
diff --git a/crates/graph/src/lib.rs b/crates/graph/src/lib.rs
new file mode 100644
index 0000000..0602b99
--- /dev/null
+++ b/crates/graph/src/lib.rs
@@ -0,0 +1 @@
+pub struct GraphScaffold;
diff --git a/crates/scheduler/Cargo.toml b/crates/scheduler/Cargo.toml
new file mode 100644
index 0000000..4efa992
--- /dev/null
+++ b/crates/scheduler/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "fyrer-scheduler"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+fyrer-graph = { path = "../graph" }
+fyrer-types = { path = "../types" }
diff --git a/crates/scheduler/src/lib.rs b/crates/scheduler/src/lib.rs
new file mode 100644
index 0000000..2daf17f
--- /dev/null
+++ b/crates/scheduler/src/lib.rs
@@ -0,0 +1 @@
+pub struct SchedulerScaffold;
diff --git a/crates/types/Cargo.toml b/crates/types/Cargo.toml
new file mode 100644
index 0000000..8807f07
--- /dev/null
+++ b/crates/types/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "fyrer-types"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+serde.workspace = true
diff --git a/crates/types/src/lib.rs b/crates/types/src/lib.rs
new file mode 100644
index 0000000..149040f
--- /dev/null
+++ b/crates/types/src/lib.rs
@@ -0,0 +1 @@
+pub struct TypesScaffold;
diff --git a/crates/utils/Cargo.toml b/crates/utils/Cargo.toml
new file mode 100644
index 0000000..a7c0f82
--- /dev/null
+++ b/crates/utils/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "fyrer-utils"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
diff --git a/crates/utils/src/lib.rs b/crates/utils/src/lib.rs
new file mode 100644
index 0000000..bf40084
--- /dev/null
+++ b/crates/utils/src/lib.rs
@@ -0,0 +1,3 @@
+pub fn normalize_path(input: &str) -> String {
+    input.trim().replace('\\', "/")
+}
diff --git a/src/colors.rs b/src/colors.rs
deleted file mode 100644
index f0eb0ee..0000000
--- a/src/colors.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-pub const COLORS: &[colored::Color] = &[
-    colored::Color::Green,
-    colored::Color::Yellow,
-    colored::Color::Blue,
-    colored::Color::Magenta,
-    colored::Color::Cyan,
-    colored::Color::White,
-    colored::Color::BrightMagenta,
-];
diff --git a/src/config.rs b/src/config.rs
deleted file mode 100644
index 3f8ce49..0000000
--- a/src/config.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-use std::collections::HashMap;
-
-use serde_derive::Deserialize;
-
-#[derive(Debug, Deserialize)]
-pub struct FyrerConfig {
-    pub installers: Option<Vec<Installer>>,
-    pub services: Vec<Service>,
-}
-
-#[derive(Debug, Clone, Deserialize)]
-pub struct Service {
-    pub name: String,
-    pub dir: String,
-    pub cmd: String,
-    pub env: Option<HashMap<String, String>>,
-    pub watch: Option<bool>,
-    pub ignore: Option<Vec<String>>,
-    pub env_path: Option<String>,
-    pub quiet: Option<bool>,
-}
-
-#[derive(Debug, Deserialize, Clone)]
-pub struct Installer {
-    pub dir: String,
-    pub cmd: String,
-}
diff --git a/src/env_parser.rs b/src/env_parser.rs
deleted file mode 100644
index ba65155..0000000
--- a/src/env_parser.rs
+++ /dev/null
@@ -1,22 +0,0 @@
-use std::collections::HashMap;
-
-pub fn parse_env(content: &str) -> HashMap<String, String> {
-    let mut out = HashMap::new();
-    if content.is_empty() {
-        return out;
-    }
-    for line in content.lines() {
-        if line.starts_with("#") || line.is_empty() {
-            continue;
-        }
-        if let Some((k, v)) = line.split_once("=") {
-            let key = k.trim();
-            let val = v.trim();
-            if !key.is_empty() {
-                out.insert(key.to_string(), val.to_string());
-            }
-        }
-    }
-
-    out
-}
diff --git a/src/installer.rs b/src/installer.rs
deleted file mode 100644
index a186cc6..0000000
--- a/src/installer.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-use crate::config::FyrerConfig;
-use colored::*;
-
-pub async fn run_installers(config: &FyrerConfig) {
-    if let Some(installers) = &config.installers {
-        println!("{}", " Running installer steps...".bright_cyan().bold());
-        println!(
-            "{}",
-            "────────────────────────────────────────────".bright_black()
-        );
-
-        for installer in installers {
-            println!(
-                "{} {}",
-                "🔹 Running installer in:".bright_blue().bold(),
-                installer.dir.bright_yellow()
-            );
-            println!(
-                "{} {}",
-                " Command:".bright_blue(),
-                installer.cmd.bright_green().italic()
-            );
-
-            #[cfg(unix)]
-            let mut cmd = tokio::process::Command::new("sh");
-            #[cfg(unix)]
-            cmd.arg("-c").arg(&installer.cmd);
-
-            #[cfg(windows)]
-            let mut cmd = tokio::process::Command::new("cmd");
-            #[cfg(windows)]
-            cmd.arg("/C").arg(&installer.cmd);
-
-            cmd.current_dir(&installer.dir);
-            cmd.stdout(std::process::Stdio::inherit());
-            cmd.stderr(std::process::Stdio::inherit());
-
-            match cmd.status().await {
-                Ok(status) if status.success() => {
-                    println!(
-                        "{} {}\n",
-                        " Installer completed successfully in:"
-                            .bright_green()
-                            .bold(),
-                        installer.dir.bright_yellow()
-                    );
-                }
-                Ok(status) => {
-                    eprintln!(
-                        "{} {} {}",
-                        " Installer failed in:".bright_red().bold(),
-                        installer.dir.bright_yellow(),
-                        format!("(Exit code: {})", status.code().unwrap_or(-1)).bright_red()
-                    );
-                    println!();
-                }
-                Err(e) => {
-                    eprintln!(
-                        "{} {}: {}",
-                        " Failed to execute installer in:".bright_red().bold(),
-                        installer.dir.bright_yellow(),
-                        e.to_string().bright_red()
-                    );
-                    println!();
-                }
-            }
-
-            println!(
-                "{}",
-                "────────────────────────────────────────────".bright_black()
-            );
-        }
-
-        println!("{}", " All installer steps completed!".bright_cyan().bold());
-        println!();
-    } else {
-        println!(
-            "{}",
-            "⚡ No installer steps defined.".bright_yellow().bold()
-        );
-    }
-}
diff --git a/src/kill_process.rs b/src/kill_process.rs
deleted file mode 100644
index 9308b6e..0000000
--- a/src/kill_process.rs
+++ /dev/null
@@ -1,64 +0,0 @@
-use tokio::process::Child;
-use tokio::{
-    process::Command,
-};
-use std::process::Stdio;
-
-pub async fn kill_process(child: &mut Child) {
-    if let Some(pid) = child.id() {
-        #[cfg(unix)]
-        {
-            let output = Command::new("ps")
-                .arg("-o")
-                .arg("pid=")
-                .arg("--ppid")
-                .arg(pid.to_string())
-                .output()
-                .await;
-
-            match output {
-                Ok(output) => {
-                    let pids = String::from_utf8_lossy(&output.stdout)
-                        .lines()
-                        .filter_map(|l| l.trim().parse::<u32>().ok())
-                        .collect::<Vec<_>>();
-
-                    for child_pid in pids {
-                        let _ = Command::new("kill")
-                            .arg("-9")
-                            .arg(child_pid.to_string())
-                            .status()
-                            .await;
-                    }
-
-                    let _ = Command::new("kill")
-                        .arg("-9")
-                        .arg(pid.to_string())
-                        .status()
-                        .await;
-                }
-                Err(_) => {
-                    let _ = Command::new("kill")
-                        .arg("-9")
-                        .arg(pid.to_string())
-                        .status()
-                        .await;
-                }
-            }
-        }
-
-        #[cfg(windows)]
-        {
-            let _ = Command::new("taskkill")
-                .arg("/PID")
-                .arg(pid.to_string())
-                .arg("/T")
-                .arg("/F")
-                .stdout(Stdio::inherit())
-                .stderr(Stdio::inherit())
-                .status()
-                .await;
-        }
-    }
-}
-
diff --git a/src/main.rs b/src/main.rs
deleted file mode 100644
index f7aebf1..0000000
--- a/src/main.rs
+++ /dev/null
@@ -1,47 +0,0 @@
-use colored::Colorize;
-
-use crate::{colors::COLORS, parser::load_config};
-
-mod colors;
-mod config;
-mod env_parser;
-mod installer;
-mod kill_process;
-mod parser;
-mod print_banner;
-mod runner;
-mod spawn_service;
-mod watcher;
-
-#[tokio::main]
-async fn main() {
-    clearscreen::clear().expect("Failed to clear the screen");
-    let config = load_config("fyrer.yml");
-    let mut handles = vec![];
-    print_banner::print_banner();
-    installer::run_installers(&config).await;
-    println!("{} {}", "┌─", "Starting services...".bright_cyan().bold());
-
-    println!("{}", "│".bright_black());
-
-    let max_name_len = config
-        .services
-        .iter()
-        .map(|s| s.name.len() + 2) // +2 for brackets [ ]
-        .max()
-        .unwrap_or(8); // default if no services
-
-    for (i, service) in config.services.into_iter().enumerate() {
-        let color = COLORS[i % COLORS.len()];
-        let handle = tokio::spawn(runner::runner(service, color, max_name_len));
-        handles.push(handle);
-    }
-    tokio::signal::ctrl_c()
-        .await
-        .expect("Failed to listen for Ctrl+C");
-    println!(
-        "\n{} {}",
-        "└─",
-        "Received Ctrl+C, shutting down...".bright_cyan().bold()
-    );
-}
diff --git a/src/parser.rs b/src/parser.rs
deleted file mode 100644
index 20dad72..0000000
--- a/src/parser.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-use std::{fs, process};
-
-use crate::config::FyrerConfig;
-
-pub fn load_config(path: &str) -> FyrerConfig {
-    let data = match fs::read_to_string(path) {
-        Ok(content) => content,
-        Err(_) => {
-            eprintln!("Failed to read configuration file: {}", path);
-            process::exit(1)
-        }
-    };
-    match serde_yaml::from_str(&data) {
-        Ok(config) => config,
-        Err(e) => {
-            eprintln!(
-                "Failed to parse configuration file: {}\n incorrect YAML format",
-                e
-            );
-            process::exit(1)
-        }
-    }
-}
diff --git a/src/print_banner.rs b/src/print_banner.rs
deleted file mode 100644
index d7e02ca..0000000
--- a/src/print_banner.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use colored::*;
-
-pub fn print_banner() {
-    let banner_lines = vec![
-        r#" ________                                       "#,
-        r#"/        |                                      "#,
-        r#"$$$$$$$$/__    __   ______    ______    ______  "#,
-        r#"$$ |__  /  |  /  | /      \  /      \  /      \ "#,
-        r#"$$    | $$ |  $$ |/$$$$$$  |/$$$$$$  |/$$$$$$  |"#,
-        r#"$$$$$/  $$ |  $$ |$$ |  $$/ $$    $$ |$$ |  $$/ "#,
-        r#"$$ |    $$ \__$$ |$$ |      $$$$$$$$/ $$ |      "#,
-        r#"$$ |    $$    $$ |$$ |      $$       |$$ |      "#,
-        r#"$$/      $$$$$$$ |$$/        $$$$$$$/ $$/       "#,
-        r#"        /  \__$$ |                              "#,
-        r#"        $$    $$/     version: 0.2.2            "#,
-        r#"         $$$$$$/      made with <3 by CalC      "#,
-    ];
-
-    let max_len = banner_lines.iter().map(|l| l.len()).max().unwrap_or(0);
-    let horizontal_border = "─".repeat(max_len + 1);
-
-    println!("\n{}", format!("┌{}┐", horizontal_border).bright_yellow());
-
-    for line in banner_lines {
-        println!(
-            "{}{} {}{}",
-            "│".bright_yellow(),
-            line.bright_cyan().bold(),
-            "│".bright_yellow(),
-            ""
-        );
-    }
-
-    println!("{}", format!("└{}┘", horizontal_border).bright_yellow());
-    println!();
-}
diff --git a/src/runner.rs b/src/runner.rs
deleted file mode 100644
index 707069f..0000000
--- a/src/runner.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-use crate::config::Service;
-use crate::spawn_service::spawn_service;
-use crate::watcher::run_with_watch;
-
-pub async fn runner(service: Service, color: colored::Color, max_name_len: usize) {
-    if service.watch.unwrap_or(false) {
-        run_with_watch(service, color, max_name_len).await;
-    } else {
-        spawn_service(&service, color, true, max_name_len).await;
-    }
-}
diff --git a/src/spawn_service.rs b/src/spawn_service.rs
deleted file mode 100644
index 0d58bd3..0000000
--- a/src/spawn_service.rs
+++ /dev/null
@@ -1,107 +0,0 @@
-use crate::config::Service;
-use crate::env_parser::parse_env;
-use colored::Colorize;
-use std::fs::File;
-use std::io::Read;
-use std::path::Path;
-use std::process::Stdio;
-use tokio::io::AsyncBufReadExt;
-use tokio::process::{Child, Command};
-
-pub async fn spawn_service(
-    service: &Service,
-    color: colored::Color,
-    wait: bool,
-    max_name_len: usize,
-) -> Option<Child> {
-    #[cfg(unix)]
-    let mut cmd = Command::new("sh");
-    #[cfg(unix)]
-    cmd.arg("-c").arg(&service.cmd);
-
-    #[cfg(windows)]
-    let mut cmd = Command::new("cmd");
-    #[cfg(windows)]
-    cmd.arg("/C").arg(&service.cmd);
-
-    cmd.current_dir(&service.dir);
-    cmd.stdout(Stdio::piped());
-    cmd.stderr(Stdio::piped());
-    let dotenv_path;
-    if let Some(env_path) = &service.env_path {
-        dotenv_path = Path::new(&service.dir).join(env_path);
-    } else {
-        dotenv_path = Path::new(&service.dir).join(".env");
-    }
-
-    if let Ok(mut dotenv) = File::open(&dotenv_path) {
-        let mut content = String::new();
-        if let Err(_) = dotenv.read_to_string(&mut content) {
-        } else {
-            let envs = parse_env(&content);
-            for (k, v) in envs.into_iter() {
-                cmd.env(k, v);
-            }
-        }
-    }
-
-    if let Some(envs) = &service.env {
-        for (key, value) in envs {
-            cmd.env(key, value);
-        }
-    }
-
-    let out_prefix = format!("[{}]", service.name);
-    let padded_name = format!("{:<width$}", out_prefix.clone(), width = max_name_len);
-
-    println!(
-        "├─{} ➤ Starting service... {}",
-        padded_name.color(color).bold(),
-        service.cmd.bright_white()
-    );
-
-    let mut child = cmd.spawn().ok()?;
-    let stdout = child.stdout.take().expect("Failed to capture stdout");
-    let stderr = child.stderr.take().expect("Failed to capture stderr");
-
-    let quiet = service.quiet.unwrap_or(false);
-
-    if !quiet {
-        let name = service.name.clone();
-        let mut stdout_reader = tokio::io::BufReader::new(stdout).lines();
-        let mut stderr_reader = tokio::io::BufReader::new(stderr).lines();
-
-        let name_prefix = format!("[{}] ", name).color(color).bold();
-        let out_prefix = name_prefix.clone();
-        let err_prefix = name_prefix.clone();
-
-        tokio::spawn(async move {
-            while let Ok(Some(line)) = stdout_reader.next_line().await {
-                let padded_name = format!("{:<width$}", out_prefix.clone(), width = max_name_len);
-                println!(
-                    "├─{} ➤ {}",
-                    padded_name.bright_cyan().bold(),
-                    line.color(color)
-                );
-            }
-        });
-
-        tokio::spawn(async move {
-            while let Ok(Some(line)) = stderr_reader.next_line().await {
-                let padded_name = format!("{:<width$}", err_prefix.clone(), width = max_name_len);
-                eprintln!(
-                    "├─{} ⚠ {}",
-                    padded_name.bright_red().bold(),
-                    line.bright_red().bold()
-                );
-            }
-        });
-    }
-
-    if wait {
-        let _ = child.wait().await;
-        return None;
-    }
-
-    Some(child)
-}
diff --git a/src/watcher.rs b/src/watcher.rs
deleted file mode 100644
index 28ad31d..0000000
--- a/src/watcher.rs
+++ /dev/null
@@ -1,122 +0,0 @@
-use crate::config::Service;
-use crate::kill_process::kill_process;
-use crate::spawn_service::spawn_service;
-use colored::Colorize;
-use globset::GlobSetBuilder;
-use notify::{Config, RecommendedWatcher, RecursiveMode, Watcher};
-use std::fs;
-use std::path::Path;
-use tokio::process::Child;
-use tokio::{
-    sync::mpsc,
-    time::{Duration, sleep},
-};
-
-pub async fn run_with_watch(service: Service, color: colored::Color, max_name_len: usize) {
-    let (tx, mut rx) = mpsc::channel(1);
-    let watch_dir = Path::new(&service.dir);
-
-    let abs_service_dir =
-        fs::canonicalize(&service.dir).unwrap_or_else(|_| Path::new(&service.dir).to_path_buf());
-    let ignore = service.clone().ignore.unwrap_or_else(Vec::new);
-
-    let mut builder = GlobSetBuilder::new();
-    for pattern in &ignore {
-        if let Ok(glob) = globset::Glob::new(pattern) {
-            builder.add(glob);
-        } else {
-            eprintln!("Invalid ignore pattern: {}", pattern);
-        }
-    }
-    let glob_set = builder.build().unwrap();
-
-    let _watcher = {
-        let mut watcher = RecommendedWatcher::new(
-            move |res: Result<notify::Event, notify::Error>| match res {
-                Ok(event) => {
-                    if !event.paths.is_empty() {
-                        let _ = tx.try_send(event.paths.clone());
-                    }
-                }
-                Err(e) => {
-                    eprintln!("Watch error: {:?}", e);
-                }
-            },
-            Config::default(),
-        )
-        .unwrap_or_else(|e| {
-            eprintln!("Failed to create file watcher: {}", e);
-            std::process::exit(1);
-        });
-
-        watcher
-            .watch(watch_dir, RecursiveMode::Recursive)
-            .unwrap_or_else(|e| {
-                eprintln!("Failed to watch directory {}: {}", service.dir, e);
-                std::process::exit(1);
-            });
-        watcher
-    };
-
-    let out_prefix = format!("[{}]", service.name);
-    let padded_name = format!("{:<width$}", out_prefix.clone(), width = max_name_len);
-
-    println!(
-        "├─{} ➤ Watching {} for changes...",
-        padded_name.color(color).bold(),
-        service.dir
-    );
-
-    let mut child: Option<Child> = spawn_service(&service, color, false, max_name_len).await;
-
-    loop {
-        tokio::select! {
-            changed_files = rx.recv() => {
-                if let Some(paths) = changed_files {
-                    let filtered_paths: Vec<_> = paths.into_iter()
-                        .filter(|path| {
-                            let rel_path = path.strip_prefix(&abs_service_dir).unwrap_or(path);
-                            !glob_set.is_match(rel_path)
-                        })
-                        .collect();
-
-                    if filtered_paths.is_empty() {
-                        continue;
-                    }
-
-                    if let Some(mut c) = child.take() {
-                        let padded_name = format!("{:<width$}", out_prefix.clone(), width = max_name_len);
-                        println!(
-                            "├─{} ➤ File changed, restarting service...",
-                            padded_name.color(color).bold()
-                        );
-                        kill_process(&mut c).await;
-                        sleep(Duration::from_millis(500)).await;
-                    }
-
-                    child = spawn_service(&service, color, false, max_name_len).await;
-                    sleep(Duration::from_millis(500)).await;
-
-                    // drain remaining events
-                    while rx.try_recv().is_ok() {}
-                }
-            }
-
-            _ = async {
-                if let Some(ref mut c) = child {
-                    c.wait().await
-                } else {
-                    std::future::pending().await
-                }
-            } => {
-                let padded_name = format!("{:<width$}", out_prefix.clone(), width = max_name_len);
-                println!(
-                    "├─{} ➤ Service exited, restarting...",
-                    padded_name.color(color).bold()
-                );
-                sleep(Duration::from_millis(1000)).await;
-                child = spawn_service(&service, color, false, max_name_len).await;
-            }
-        }
-    }
-}

From 53dfbb1599a9735950ee52a5dc8edec75146179a Mon Sep 17 00:00:00 2001
From: 07calc <maheshwarivinayak90@gmail.com>
Date: Sun, 17 May 2026 13:31:43 +0530
Subject: [PATCH 2/6] feat: config

---
 Cargo.lock                         | 204 ++++++-----------------------
 crates/cli/Cargo.toml              |   7 -
 crates/config/src/lib.rs           |   1 -
 crates/{config => core}/Cargo.toml |   6 +-
 crates/core/src/config.rs          | 127 ++++++++++++++++++
 crates/core/src/error.rs           |  26 ++++
 crates/core/src/fs.rs              |  21 +++
 crates/core/src/lib.rs             |   3 +
 fyrer.example.yml                  | 104 +++++++++++++++
 9 files changed, 321 insertions(+), 178 deletions(-)
 delete mode 100644 crates/config/src/lib.rs
 rename crates/{config => core}/Cargo.toml (68%)
 create mode 100644 crates/core/src/config.rs
 create mode 100644 crates/core/src/error.rs
 create mode 100644 crates/core/src/fs.rs
 create mode 100644 crates/core/src/lib.rs
 create mode 100644 fyrer.example.yml

diff --git a/Cargo.lock b/Cargo.lock
index 7e323d9..6943fea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,108 +2,12 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "anstream"
-version = "0.6.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a"
-dependencies = [
- "anstyle",
- "anstyle-parse",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "is_terminal_polyfill",
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle"
-version = "1.0.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
-
-[[package]]
-name = "anstyle-parse"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
-dependencies = [
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle-query"
-version = "1.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
-dependencies = [
- "windows-sys",
-]
-
-[[package]]
-name = "anstyle-wincon"
-version = "3.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
-dependencies = [
- "anstyle",
- "once_cell_polyfill",
- "windows-sys",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
-[[package]]
-name = "clap"
-version = "4.5.60"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2797f34da339ce31042b27d23607e051786132987f595b02ba4f6a6dffb7030a"
-dependencies = [
- "clap_builder",
- "clap_derive",
-]
-
-[[package]]
-name = "clap_builder"
-version = "4.5.60"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24a241312cea5059b13574bb9b3861cabf758b879c15190b37b6d6fd63ab6876"
-dependencies = [
- "anstream",
- "anstyle",
- "clap_lex",
- "strsim",
-]
-
-[[package]]
-name = "clap_derive"
-version = "4.5.55"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a92793da1a46a5f2a02a6f4c46c6496b28c43638adea8306fcb0caa1634f24e5"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "clap_lex"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
-
-[[package]]
-name = "colorchoice"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
-
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -113,15 +17,6 @@ checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 [[package]]
 name = "fyrer"
 version = "0.3.0"
-dependencies = [
- "anyhow",
- "clap",
- "fyrer-config",
- "fyrer-executor",
- "fyrer-graph",
- "fyrer-scheduler",
- "fyrer-types",
-]
 
 [[package]]
 name = "fyrer-cache"
@@ -131,12 +26,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "fyrer-config"
+name = "fyrer-core"
 version = "0.3.0"
 dependencies = [
- "anyhow",
- "fyrer-types",
+ "serde",
  "serde_yaml",
+ "thiserror",
 ]
 
 [[package]]
@@ -190,67 +85,49 @@ version = "0.3.0"
 
 [[package]]
 name = "hashbrown"
-version = "0.16.0"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
-
-[[package]]
-name = "heck"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 
 [[package]]
 name = "indexmap"
-version = "2.12.0"
+version = "2.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6717a8d2a5a929a1a2eb43a12812498ed141a0bcfb7e8f7844fbdbe4303bba9f"
+checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
 dependencies = [
  "equivalent",
  "hashbrown",
 ]
 
-[[package]]
-name = "is_terminal_polyfill"
-version = "1.70.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
-
 [[package]]
 name = "itoa"
-version = "1.0.15"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
-
-[[package]]
-name = "once_cell_polyfill"
-version = "1.70.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.101"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89ae43fd86e4158d6db51ad8e2b80f313af9cc74f5c0e03ccb87de09998732de"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.41"
+version = "1.0.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce25767e7b499d1b604768e7cde645d14cc8584231ea6b295e9c9eb22c02e1d1"
+checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.20"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
 
 [[package]]
 name = "serde"
@@ -295,17 +172,11 @@ dependencies = [
  "unsafe-libyaml",
 ]
 
-[[package]]
-name = "strsim"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
-
 [[package]]
 name = "syn"
-version = "2.0.107"
+version = "2.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a26dbd934e5451d21ef060c018dae56fc073894c5a7896f882928a76e6d081b"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -313,34 +184,33 @@ dependencies = [
 ]
 
 [[package]]
-name = "unicode-ident"
-version = "1.0.20"
+name = "thiserror"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "462eeb75aeb73aea900253ce739c8e18a67423fadf006037cd3ff27e82748a06"
-
-[[package]]
-name = "unsafe-libyaml"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl",
+]
 
 [[package]]
-name = "utf8parse"
-version = "0.2.2"
+name = "thiserror-impl"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
 
 [[package]]
-name = "windows-link"
-version = "0.2.1"
+name = "unicode-ident"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
 
 [[package]]
-name = "windows-sys"
-version = "0.61.2"
+name = "unsafe-libyaml"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
-dependencies = [
- "windows-link",
-]
+checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
diff --git a/crates/cli/Cargo.toml b/crates/cli/Cargo.toml
index b00b888..c6c8bed 100644
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -9,10 +9,3 @@ description = "Graph-based monorepo execution engine"
 readme = "../../README.md"
 
 [dependencies]
-anyhow.workspace = true
-clap.workspace = true
-fyrer-config = { path = "../config" }
-fyrer-executor = { path = "../executor" }
-fyrer-graph = { path = "../graph" }
-fyrer-scheduler = { path = "../scheduler" }
-fyrer-types = { path = "../types" }
diff --git a/crates/config/src/lib.rs b/crates/config/src/lib.rs
deleted file mode 100644
index f42d5a8..0000000
--- a/crates/config/src/lib.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub struct ConfigScaffold;
diff --git a/crates/config/Cargo.toml b/crates/core/Cargo.toml
similarity index 68%
rename from crates/config/Cargo.toml
rename to crates/core/Cargo.toml
index b6d3da4..47a4c19 100644
--- a/crates/config/Cargo.toml
+++ b/crates/core/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "fyrer-config"
+name = "fyrer-core"
 version.workspace = true
 edition.workspace = true
 authors.workspace = true
@@ -7,6 +7,6 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-anyhow.workspace = true
+thiserror.workspace = true
+serde.workspace = true
 serde_yaml.workspace = true
-fyrer-types = { path = "../types" }
diff --git a/crates/core/src/config.rs b/crates/core/src/config.rs
new file mode 100644
index 0000000..df66eea
--- /dev/null
+++ b/crates/core/src/config.rs
@@ -0,0 +1,127 @@
+use serde::{Deserialize, Serialize};
+use std::{collections::HashMap, path::PathBuf};
+
+use crate::error::FyrerResult;
+
+pub type EnvMap = HashMap<String, String>;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct FyrerConfig {
+    pub version: u32,
+    #[serde(default = "default_env_map")]
+    pub env: EnvMap,
+    pub projects: Vec<ProjectConfig>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct ProjectConfig {
+    pub name: String,
+    pub root: PathBuf,
+    pub env: EnvMap,
+    pub env_path: String,
+    #[serde(default = "default_tasks")]
+    pub tasks: HashMap<String, TaskConfig>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct TaskConfig {
+    #[serde(default = "default_cmd")]
+    pub cmd: String,
+    #[serde(default = "default_vec_string")]
+    pub depends_on: Vec<String>,
+    #[serde(default = "default_vec_string")]
+    pub inputs: Vec<String>,
+    #[serde(default = "default_vec_string")]
+    pub outputs: Vec<String>,
+    #[serde(default = "default_bool")]
+    pub watch: bool,
+    #[serde(default = "default_vec_string")]
+    pub ignore: Vec<String>,
+    #[serde(default = "default_bool")]
+    pub cache: bool,
+    #[serde(default = "default_restart")]
+    pub restart: RestartConfig,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RestartConfig {
+    pub strategy: RestartStrategy,
+    pub delay: Option<u64>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum RestartStrategy {
+    FileChange,
+    OnFailure,
+    Never,
+}
+
+impl FyrerConfig {
+    pub fn new_from_path(path: &str) -> FyrerResult<FyrerConfig> {
+        let content = std::fs::read_to_string(path).map_err(|e| {
+            crate::error::FyrerError::Config(crate::error::ConfigError::ReadFile {
+                path: path.to_string(),
+                source: e,
+            })
+        })?;
+
+        let config: FyrerConfig = serde_yaml::from_str(content.as_str()).map_err(|e| {
+            crate::error::FyrerError::Config(crate::error::ConfigError::ParseYaml(e))
+        })?;
+        config.validate().map_err(|e| {
+            crate::error::FyrerError::Config(crate::error::ConfigError::InvalidConfig(
+                e.to_string(),
+            ))
+        })?;
+        Ok(config)
+    }
+
+    pub fn new_from_str(content: &str) -> FyrerResult<FyrerConfig> {
+        let config: FyrerConfig = serde_yaml::from_str(content).map_err(|e| {
+            crate::error::FyrerError::Config(crate::error::ConfigError::ParseYaml(e))
+        })?;
+        config.validate().map_err(|e| {
+            crate::error::FyrerError::Config(crate::error::ConfigError::InvalidConfig(
+                e.to_string(),
+            ))
+        })?;
+        Ok(config)
+    }
+
+    fn validate(&self) -> FyrerResult<()> {
+        Ok(())
+    }
+
+    fn validate_projects(&self) -> FyrerResult<()> {
+        Ok(())
+    }
+}
+fn default_vec_string() -> Vec<String> {
+    Vec::new()
+}
+
+fn default_env_map() -> EnvMap {
+    HashMap::new()
+}
+
+fn default_tasks() -> HashMap<String, TaskConfig> {
+    HashMap::new()
+}
+
+fn default_bool() -> bool {
+    false
+}
+
+fn default_cmd() -> String {
+    "echo from fyrer".to_string()
+}
+
+fn default_restart() -> RestartConfig {
+    RestartConfig {
+        strategy: RestartStrategy::Never,
+        delay: None,
+    }
+}
diff --git a/crates/core/src/error.rs b/crates/core/src/error.rs
new file mode 100644
index 0000000..fc3f3bc
--- /dev/null
+++ b/crates/core/src/error.rs
@@ -0,0 +1,26 @@
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+
+pub enum ConfigError {
+    #[error("failed to read file at '{path}': {source}")]
+    ReadFile {
+        path: String,
+        #[source]
+        source: std::io::Error,
+    },
+    #[error("failed to parse yaml config: {0}")]
+    ParseYaml(#[from] serde_yaml::Error),
+    #[error("invalid config: {0}")]
+    InvalidConfig(String),
+    #[error("{0}")]
+    Other(String),
+}
+
+#[derive(Debug, Error)]
+pub enum FyrerError {
+    #[error("config error: {0}")]
+    Config(#[from] ConfigError),
+}
+
+pub type FyrerResult<T> = Result<T, FyrerError>;
diff --git a/crates/core/src/fs.rs b/crates/core/src/fs.rs
new file mode 100644
index 0000000..29206bd
--- /dev/null
+++ b/crates/core/src/fs.rs
@@ -0,0 +1,21 @@
+use std::fs::read_to_string;
+
+use crate::error::FyrerResult;
+
+pub fn dir_exists(path: &str) -> bool {
+    std::path::Path::new(path).is_dir()
+}
+
+pub fn file_exists(path: &str) -> bool {
+    std::path::Path::new(path).is_file()
+}
+
+pub fn read_file(path: &str) -> FyrerResult<String> {
+    let content = read_to_string(path).map_err(|e| {
+        crate::error::FyrerError::Config(crate::error::ConfigError::ReadFile {
+            path: path.to_string(),
+            source: e,
+        })
+    })?;
+    Ok(content)
+}
diff --git a/crates/core/src/lib.rs b/crates/core/src/lib.rs
new file mode 100644
index 0000000..8306048
--- /dev/null
+++ b/crates/core/src/lib.rs
@@ -0,0 +1,3 @@
+pub mod config;
+pub mod error;
+pub mod fs;
diff --git a/fyrer.example.yml b/fyrer.example.yml
new file mode 100644
index 0000000..bc723a5
--- /dev/null
+++ b/fyrer.example.yml
@@ -0,0 +1,104 @@
+version: 1
+
+env:
+  LOG_LEVEL: info
+  NODE_ENV: development
+
+projects:
+  - name: web
+    root: ./apps/web
+    env:
+      PORT: "3000"
+      API_URL: "http://localhost:8080"
+    env_path: ./.env
+    tasks:
+      dev:
+        cmd: bun run dev
+        depends_on:
+          - ui:build
+        watch: true
+        ignore:
+          - node_modules/**
+          - .next/**
+          - "*.db"
+        cache: false
+        restart:
+          strategy: Always
+          delay: 300
+      build:
+        cmd: bun run build
+        depends_on:
+          - ui:build
+        inputs:
+          - src/**
+          - public/**
+          - package.json
+          - next.config.ts
+        outputs:
+          - .next/**
+        watch: false
+        ignore:
+          - node_modules/**
+        cache: true
+        restart:
+          strategy: Never
+  - name: ui
+    root: ./packages/ui
+    env:
+      NODE_ENV: production
+    env_path: ./.env.production
+    tasks:
+      build:
+        cmd: bun run build
+        inputs:
+          - src/**
+          - package.json
+          - tsconfig.json
+        outputs:
+          - dist/**
+        watch: false
+        ignore:
+          - node_modules/**
+          - dist/**
+        cache: true
+        restart:
+          strategy: Never
+      dev:
+        cmd: bun run dev
+        watch: true
+        ignore:
+          - node_modules/**
+          - dist/**
+        cache: false
+        restart:
+          strategy: FileChange 
+          delay: 200
+  - name: api
+    root: ./apps/api
+    env:
+      RUST_LOG: debug
+    env_path: ./.env
+    tasks:
+      build:
+        cmd: cargo build --release
+        inputs:
+          - src/**
+          - Cargo.toml
+          - Cargo.lock
+        outputs:
+          - target/release/api
+        watch: false
+        ignore:
+          - target/debug/**
+        cache: true
+        restart:
+          strategy: Never
+      dev:
+        cmd: cargo watch -x run
+        watch: true
+        ignore:
+          - target/**
+        cache: false
+        restart:
+          strategy: Always
+          delay: 500

From ab269f1a9a16c7a01f0d5fe1369e25493d2705f8 Mon Sep 17 00:00:00 2001
From: 07calc <maheshwarivinayak90@gmail.com>
Date: Tue, 19 May 2026 22:55:17 +0530
Subject: [PATCH 3/6] feat: config semantic validation

---
 crates/core/src/config.rs | 386 +++++++++++++++++++++++++++++++++++++-
 fyrer.example.yml         |   2 -
 2 files changed, 381 insertions(+), 7 deletions(-)

diff --git a/crates/core/src/config.rs b/crates/core/src/config.rs
index df66eea..4bd4eb3 100644
--- a/crates/core/src/config.rs
+++ b/crates/core/src/config.rs
@@ -1,7 +1,10 @@
 use serde::{Deserialize, Serialize};
-use std::{collections::HashMap, path::PathBuf};
+use std::{
+    collections::{HashMap, HashSet},
+    path::PathBuf,
+};
 
-use crate::error::FyrerResult;
+use crate::error::{ConfigError, FyrerError, FyrerResult};
 
 pub type EnvMap = HashMap<String, String>;
 
@@ -19,6 +22,7 @@ pub struct FyrerConfig {
 pub struct ProjectConfig {
     pub name: String,
     pub root: PathBuf,
+    #[serde(default = "default_env_map")]
     pub env: EnvMap,
     pub env_path: String,
     #[serde(default = "default_tasks")]
@@ -32,18 +36,20 @@ pub struct TaskConfig {
     pub cmd: String,
     #[serde(default = "default_vec_string")]
     pub depends_on: Vec<String>,
+    #[serde(default = "default_bool")]
+    pub persistent: bool,
     #[serde(default = "default_vec_string")]
     pub inputs: Vec<String>,
     #[serde(default = "default_vec_string")]
     pub outputs: Vec<String>,
-    #[serde(default = "default_bool")]
-    pub watch: bool,
     #[serde(default = "default_vec_string")]
     pub ignore: Vec<String>,
     #[serde(default = "default_bool")]
     pub cache: bool,
     #[serde(default = "default_restart")]
     pub restart: RestartConfig,
+    #[serde(default = "default_env_map")]
+    pub env: EnvMap,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -52,7 +58,7 @@ pub struct RestartConfig {
     pub delay: Option<u64>,
 }
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
 pub enum RestartStrategy {
     FileChange,
     OnFailure,
@@ -92,10 +98,107 @@ impl FyrerConfig {
     }
 
     fn validate(&self) -> FyrerResult<()> {
+        self.validate_version()?;
+        self.validate_projects()?;
+        self.validate_tasks()?;
+        Ok(())
+    }
+
+    fn validate_version(&self) -> FyrerResult<()> {
+        if self.version != 1 {
+            return Err(FyrerError::Config(
+                crate::error::ConfigError::InvalidConfig(format!(
+                    "unsupported config version: {}",
+                    self.version
+                )),
+            ));
+        }
         Ok(())
     }
 
     fn validate_projects(&self) -> FyrerResult<()> {
+        let mut project_names = HashSet::new();
+        for project in &self.projects {
+            let mut task_names = HashSet::new();
+            if !project_names.insert(&project.name) {
+                return Err(FyrerError::Config(
+                    crate::error::ConfigError::InvalidConfig(format!(
+                        "duplicate project name: {}",
+                        project.name
+                    )),
+                ));
+            }
+            if project.root.as_os_str().is_empty() {
+                return Err(FyrerError::Config(
+                    crate::error::ConfigError::InvalidConfig(format!(
+                        "project '{}' has empty root path",
+                        project.name
+                    )),
+                ));
+            }
+            if project.root.is_absolute() {
+                return Err(FyrerError::Config(
+                    crate::error::ConfigError::InvalidConfig(format!(
+                        "project '{}' has absolute root path '{}'",
+                        project.name,
+                        project.root.display()
+                    )),
+                ));
+            }
+            if project.env_path.is_empty() {
+                return Err(FyrerError::Config(
+                    crate::error::ConfigError::InvalidConfig(format!(
+                        "project '{}' has empty env_path",
+                        project.name
+                    )),
+                ));
+            }
+            for task_name in project.tasks.keys() {
+                if !task_names.insert(task_name) {
+                    return Err(FyrerError::Config(
+                        crate::error::ConfigError::InvalidConfig(format!(
+                            "duplicate task name '{}' in project '{}'",
+                            task_name, project.name
+                        )),
+                    ));
+                }
+            }
+        }
+        Ok(())
+    }
+
+    fn validate_tasks(&self) -> FyrerResult<()> {
+        for project in &self.projects {
+            for (task_name, task) in &project.tasks {
+                if task.cmd.is_empty() {
+                    return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                        "task '{}' in project '{}' has empty cmd",
+                        task_name, project.name
+                    ))));
+                }
+
+                if task.cache && task.outputs.is_empty() {
+                    return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                        "task '{}' in project '{}' has cache enabled but no outputs defined",
+                        task_name, project.name
+                    ))));
+                }
+
+                if task.cache && task.persistent {
+                    return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                        "task '{}' in project '{}' cannot be both cacheable and persistent",
+                        task_name, project.name
+                    ))));
+                }
+
+                if task.restart.strategy == RestartStrategy::FileChange && task.inputs.is_empty() {
+                    return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                        "task '{}' in project '{}' has file change restart strategy but no inputs defined",
+                        task_name, project.name
+                    ))));
+                }
+            }
+        }
         Ok(())
     }
 }
@@ -125,3 +228,276 @@ fn default_restart() -> RestartConfig {
         delay: None,
     }
 }
+
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_valid_config() {
+        let yaml = r#"
+version: 1
+env:
+  GLOBAL_VAR: global_value
+projects:
+  - name: project1
+    root: ./project1
+    env:
+      PROJECT_VAR: project_value
+    env_path: .env
+    tasks:
+      build:
+        cmd: echo Building project1
+        depends_on: []
+        persistent: false
+        inputs: ["src/**/*"]
+        outputs: ["dist/**/*"]
+        ignore: []
+        cache: true
+        restart:
+          strategy: FileChange
+          delay: 1000
+      test:
+        cmd: "echo Testing project1"
+        depends_on: ["build"]
+        persistent: false
+        inputs: ["tests/**/*"]
+        outputs: []
+        ignore: []
+        cache: false
+        restart:
+          strategy: OnFailure
+          delay: 500
+  - name: project2
+    root: ./project2
+    env:
+        PROJECT_VAR: project2_value
+    env_path: .env
+    tasks:
+      deploy:
+        cmd: "echo Deploying project2"
+        depends_on: []
+        persistent: true
+        inputs: []
+        outputs: []
+        ignore: []
+        cache: false
+        restart:
+            strategy: Never
+            delay: null
+"#;
+        let config = FyrerConfig::new_from_str(yaml).expect("Failed to parse invalid config");
+        assert_eq!(config.version, 1);
+        assert_eq!(config.env.get("GLOBAL_VAR").unwrap(), "global_value");
+        assert_eq!(config.projects.len(), 2);
+
+        let project1 = &config.projects[0];
+        assert_eq!(project1.name, "project1");
+        assert_eq!(project1.root, PathBuf::from("./project1"));
+        assert_eq!(project1.env.get("PROJECT_VAR").unwrap(), "project_value");
+        assert_eq!(project1.env_path, ".env");
+        assert_eq!(project1.tasks.len(), 2);
+
+        let build_task = project1.tasks.get("build").unwrap();
+        assert_eq!(build_task.cmd, "echo Building project1");
+        assert_eq!(build_task.depends_on, Vec::<String>::new());
+        assert!(!build_task.persistent);
+        assert_eq!(build_task.inputs, vec!["src/**/*"]);
+        assert_eq!(build_task.outputs, vec!["dist/**/*"]);
+        assert_eq!(build_task.ignore, Vec::<String>::new());
+        assert!(build_task.cache);
+        assert_eq!(build_task.restart.strategy, RestartStrategy::FileChange);
+        assert_eq!(build_task.restart.delay, Some(1000));
+
+        let test_task = project1.tasks.get("test").unwrap();
+        assert_eq!(test_task.cmd, "echo Testing project1");
+        assert_eq!(test_task.depends_on, vec!["build"]);
+        assert!(!test_task.persistent);
+        assert_eq!(test_task.inputs, vec!["tests/**/*"]);
+        assert_eq!(test_task.outputs, Vec::<String>::new());
+        assert_eq!(test_task.ignore, Vec::<String>::new());
+        assert!(!test_task.cache);
+        assert_eq!(test_task.restart.strategy, RestartStrategy::OnFailure);
+        assert_eq!(test_task.restart.delay, Some(500));
+
+        let project2 = &config.projects[1];
+        assert_eq!(project2.name, "project2");
+    }
+
+    #[test]
+    fn test_duplicate_project_names() {
+        let yaml = r#"
+version: 1
+projects:
+    - name: project1
+      root: ./project1
+      env_path: .env
+      tasks: {}
+    - name: project1
+      root: ./project2
+      env_path: .env
+      tasks: {}
+"#;
+        let err = FyrerConfig::new_from_str(yaml).err().unwrap();
+        match err {
+            FyrerError::Config(ConfigError::InvalidConfig(msg)) => {
+                assert!(msg.contains("duplicate project name: project1"));
+            }
+            _ => panic!("Expected InvalidConfig error"),
+        }
+    }
+
+    #[test]
+    #[ignore = "This test currently fails because serde_yaml allows duplicate keys and we need to add custom validation to detect them. This is a known issue that we will address in a future update."]
+    fn test_duplicate_task_names() {
+        let yaml = r#"
+version: 1
+projects:
+    - name: project1
+      root: ./project1
+      env_path: .env
+      tasks:
+        build:
+          cmd: echo Building
+          depends_on: []
+          persistent: false
+          inputs: []
+          outputs: []
+          ignore: []
+          cache: false
+          restart:
+            strategy: Never
+            delay: null
+        build:
+          cmd: echo Building again
+          depends_on: []
+          persistent: false
+          inputs: []
+          outputs: []
+          ignore: []
+          cache: false
+          restart:
+            strategy: Never
+            delay: null
+"#;
+        let err = FyrerConfig::new_from_str(yaml).err().unwrap();
+        match err {
+            FyrerError::Config(ConfigError::InvalidConfig(msg)) => {
+                assert!(msg.contains("duplicate task name 'build' in project 'project1'"));
+            }
+            _ => panic!("Expected InvalidConfig error"),
+        }
+    }
+
+    #[test]
+    fn test_invalid_version() {
+        let yaml = r#"
+version: 2
+projects: []
+"#;
+        let err = FyrerConfig::new_from_str(yaml).err().unwrap();
+        match err {
+            FyrerError::Config(ConfigError::InvalidConfig(msg)) => {
+                assert!(msg.contains("unsupported config version: 2"));
+            }
+            _ => panic!("Expected InvalidConfig error"),
+        }
+    }
+
+    #[test]
+    fn test_empty_cmd() {
+        let yaml = r#"
+version: 1
+env: {}
+projects: 
+    - name: project1
+      root: ./project1
+      env_path: .env
+      tasks:
+        build:
+          cmd: ""
+          depends_on: []
+          persistent: false
+          inputs: []
+          outputs: []
+          ignore: []
+          cache: false
+          restart:
+            strategy: Never
+            delay: null
+"#;
+        let err = FyrerConfig::new_from_str(yaml).err().unwrap();
+        match err {
+            FyrerError::Config(ConfigError::InvalidConfig(msg)) => {
+                assert!(msg.contains("task 'build' in project 'project1' has empty cmd"));
+            }
+            _ => panic!("Expected InvalidConfig error"),
+        }
+    }
+
+    #[test]
+    fn test_cache_without_outputs() {
+        let yaml = r#"
+version: 1
+env: {}
+projects:
+    - name: project1
+      root: ./project1
+      env_path: .env
+      tasks:
+        build:
+          cmd: echo Building
+          depends_on: []
+          persistent: false
+          inputs: []
+          outputs: []
+          ignore: []
+          cache: true
+          restart:
+            strategy: Never
+            delay: null
+"#;
+        let err = FyrerConfig::new_from_str(yaml).err().unwrap();
+        match err {
+            FyrerError::Config(ConfigError::InvalidConfig(msg)) => {
+                dbg!(&msg);
+                assert!(msg.contains(
+                    "task 'build' in project 'project1' has cache enabled but no outputs defined"
+                ));
+            }
+            _ => panic!("Expected InvalidConfig error"),
+        }
+    }
+
+    #[test]
+    fn test_cache_and_persistent() {
+        let yaml = r#"
+version: 1
+env: {}
+projects:
+    - name: project1
+      root: ./project1
+      env_path: .env
+      tasks:
+        build:
+            cmd: echo Building
+            depends_on: []
+            persistent: true
+            inputs: []
+            outputs: ["dist/**/*"]
+            ignore: []
+            cache: true
+            restart:
+                strategy: Never
+                delay: null
+"#;
+        let err = FyrerConfig::new_from_str(yaml).err().unwrap();
+        match err {
+            FyrerError::Config(ConfigError::InvalidConfig(msg)) => {
+                assert!(msg.contains(
+                    "task 'build' in project 'project1' cannot be both cacheable and persistent"
+                ));
+            }
+            _ => panic!("Expected InvalidConfig error"),
+        }
+    }
+}
diff --git a/fyrer.example.yml b/fyrer.example.yml
index bc723a5..57c921d 100644
--- a/fyrer.example.yml
+++ b/fyrer.example.yml
@@ -1,9 +1,7 @@
 version: 1
-
 env:
   LOG_LEVEL: info
   NODE_ENV: development
-
 projects:
   - name: web
     root: ./apps/web

From c55f0735472589672882edd5f9b5ae548226010c Mon Sep 17 00:00:00 2001
From: 07calc <maheshwarivinayak90@gmail.com>
Date: Wed, 20 May 2026 00:10:07 +0530
Subject: [PATCH 4/6] feat: task graph

---
 Cargo.lock                       |  6 +++
 Cargo.toml                       |  2 +-
 crates/cli/src/main.rs           |  3 --
 crates/core/src/config.rs        | 30 +++++++++++-
 crates/core/src/lib.rs           |  1 +
 crates/core/src/tasks.rs         | 39 ++++++++++++++++
 crates/{cli => fyrer}/Cargo.toml |  6 ++-
 crates/fyrer/src/main.rs         | 12 +++++
 crates/graph/Cargo.toml          |  1 +
 crates/graph/src/lib.rs          | 79 +++++++++++++++++++++++++++++++-
 10 files changed, 171 insertions(+), 8 deletions(-)
 delete mode 100644 crates/cli/src/main.rs
 create mode 100644 crates/core/src/tasks.rs
 rename crates/{cli => fyrer}/Cargo.toml (64%)
 create mode 100644 crates/fyrer/src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
index 6943fea..f606aa9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,11 @@ checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 [[package]]
 name = "fyrer"
 version = "0.3.0"
+dependencies = [
+ "anyhow",
+ "fyrer-core",
+ "fyrer-graph",
+]
 
 [[package]]
 name = "fyrer-cache"
@@ -61,6 +66,7 @@ name = "fyrer-graph"
 version = "0.3.0"
 dependencies = [
  "anyhow",
+ "fyrer-core",
  "fyrer-types",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 4f8014c..4d91950 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [workspace]
 resolver = "3"
 members = ["crates/*"]
-default-members = ["crates/cli"]
+default-members = ["crates/fyrer"]
 
 [workspace.package]
 version = "0.3.0"
diff --git a/crates/cli/src/main.rs b/crates/cli/src/main.rs
deleted file mode 100644
index 5d7c953..0000000
--- a/crates/cli/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("fyrer scaffold initialized");
-}
diff --git a/crates/core/src/config.rs b/crates/core/src/config.rs
index 4bd4eb3..0bf3340 100644
--- a/crates/core/src/config.rs
+++ b/crates/core/src/config.rs
@@ -4,7 +4,10 @@ use std::{
     path::PathBuf,
 };
 
-use crate::error::{ConfigError, FyrerError, FyrerResult};
+use crate::{
+    error::{ConfigError, FyrerError, FyrerResult},
+    tasks::{Task, TaskId, TaskMap},
+};
 
 pub type EnvMap = HashMap<String, String>;
 
@@ -201,6 +204,31 @@ impl FyrerConfig {
         }
         Ok(())
     }
+
+    pub fn create_task_map(&self) -> TaskMap {
+        let mut task_map = HashMap::new();
+        for project in &self.projects {
+            for (task_name, task_config) in &project.tasks {
+                let task = Task {
+                    project_name: project.name.clone(),
+                    project_root: project.root.clone(),
+                    env: project.env.clone(),
+                    task_name: task_name.clone(),
+                    cmd: task_config.cmd.clone(),
+                    depends_on: task_config.depends_on.clone(),
+                    persistent: task_config.persistent,
+                    inputs: task_config.inputs.clone(),
+                    outputs: task_config.outputs.clone(),
+                    ignore: task_config.ignore.clone(),
+                    cache: task_config.cache,
+                    restart: task_config.restart.clone(),
+                };
+                let task_id = TaskId::new(&project.name, task_name);
+                task_map.insert(task_id, task);
+            }
+        }
+        task_map
+    }
 }
 fn default_vec_string() -> Vec<String> {
     Vec::new()
diff --git a/crates/core/src/lib.rs b/crates/core/src/lib.rs
index 8306048..25afe21 100644
--- a/crates/core/src/lib.rs
+++ b/crates/core/src/lib.rs
@@ -1,3 +1,4 @@
 pub mod config;
 pub mod error;
 pub mod fs;
+pub mod tasks;
diff --git a/crates/core/src/tasks.rs b/crates/core/src/tasks.rs
new file mode 100644
index 0000000..189294d
--- /dev/null
+++ b/crates/core/src/tasks.rs
@@ -0,0 +1,39 @@
+use std::{collections::HashMap, path::PathBuf};
+
+use crate::config::{EnvMap, RestartConfig};
+
+#[derive(Debug, Clone, PartialEq, Hash, Eq)]
+pub struct TaskId {
+    project_name: String,
+    task_name: String,
+}
+#[derive(Debug, Clone)]
+pub struct Task {
+    pub project_name: String,
+    pub project_root: PathBuf,
+    pub env: EnvMap,
+    pub task_name: String,
+    pub cmd: String,
+    pub depends_on: Vec<String>,
+    pub persistent: bool,
+    pub inputs: Vec<String>,
+    pub outputs: Vec<String>,
+    pub ignore: Vec<String>,
+    pub cache: bool,
+    pub restart: RestartConfig,
+}
+
+pub type TaskMap = HashMap<TaskId, Task>;
+
+impl TaskId {
+    pub fn new(project_name: &str, task_name: &str) -> TaskId {
+        TaskId {
+            project_name: project_name.to_string(),
+            task_name: task_name.to_string(),
+        }
+    }
+
+    pub fn to_string(&self) -> String {
+        format!("{}:{}", self.project_name, self.task_name)
+    }
+}
diff --git a/crates/cli/Cargo.toml b/crates/fyrer/Cargo.toml
similarity index 64%
rename from crates/cli/Cargo.toml
rename to crates/fyrer/Cargo.toml
index c6c8bed..b15c151 100644
--- a/crates/cli/Cargo.toml
+++ b/crates/fyrer/Cargo.toml
@@ -5,7 +5,9 @@ edition.workspace = true
 authors.workspace = true
 license.workspace = true
 repository.workspace = true
-description = "Graph-based monorepo execution engine"
-readme = "../../README.md"
 
 [dependencies]
+fyrer-core = {path = "../core/"}
+fyrer-graph = {path = "../graph/"}
+anyhow.workspace = true
+
diff --git a/crates/fyrer/src/main.rs b/crates/fyrer/src/main.rs
new file mode 100644
index 0000000..b766e97
--- /dev/null
+++ b/crates/fyrer/src/main.rs
@@ -0,0 +1,12 @@
+use std::fs;
+
+use fyrer_core::{config::FyrerConfig, error::FyrerResult};
+fn main() -> FyrerResult<()> {
+    let config_str = fs::read_to_string("fyrer.yml").expect("Failed to read config file");
+    let config = FyrerConfig::new_from_str(&config_str)?;
+    let task_map = config.create_task_map();
+    drop(config);
+    let task_graph = fyrer_graph::TaskGraph::new(&task_map);
+    dbg!(task_graph.validate().unwrap());
+    Ok(())
+}
diff --git a/crates/graph/Cargo.toml b/crates/graph/Cargo.toml
index 9d538dd..1ec63f4 100644
--- a/crates/graph/Cargo.toml
+++ b/crates/graph/Cargo.toml
@@ -9,3 +9,4 @@ repository.workspace = true
 [dependencies]
 anyhow.workspace = true
 fyrer-types = { path = "../types" }
+fyrer-core = { path = "../core" }
diff --git a/crates/graph/src/lib.rs b/crates/graph/src/lib.rs
index 0602b99..786b270 100644
--- a/crates/graph/src/lib.rs
+++ b/crates/graph/src/lib.rs
@@ -1 +1,78 @@
-pub struct GraphScaffold;
+use std::collections::HashMap;
+
+use fyrer_core::tasks::{TaskId, TaskMap};
+
+#[derive(Debug)]
+pub struct TaskGraph {
+    pub nodes: HashMap<TaskId, TaskNode>,
+}
+
+#[derive(Debug)]
+pub struct TaskNode {
+    pub id: TaskId,
+    pub deps: Vec<TaskId>,
+    pub dependents: Vec<TaskId>,
+}
+
+impl TaskGraph {
+    pub fn new(task_map: &TaskMap) -> TaskGraph {
+        let mut graph = TaskGraph {
+            nodes: HashMap::new(),
+        };
+
+        for (id, _) in task_map {
+            graph.nodes.insert(
+                id.clone(),
+                TaskNode {
+                    id: id.clone(),
+                    deps: vec![],
+                    dependents: Vec::new(),
+                },
+            );
+        }
+
+        for (id, task) in task_map {
+            for dep in &task.depends_on {
+                let parts: Vec<&str> = dep.split(':').collect();
+                let dep_id = TaskId::new(parts[0], parts[1]);
+                graph.nodes.get_mut(id).unwrap().deps.push(dep_id.clone());
+                graph
+                    .nodes
+                    .get_mut(&dep_id)
+                    .unwrap()
+                    .dependents
+                    .push(id.clone());
+            }
+        }
+        graph
+    }
+
+    pub fn validate(&self) -> Result<(), String> {
+        let mut visited = HashMap::new();
+        for node in self.nodes.values() {
+            if !visited.contains_key(&node.id) {
+                if self.has_cycle(&node.id, &mut visited) {
+                    return Err(format!(
+                        "Cycle detected involving task '{}'",
+                        node.id.to_string()
+                    ));
+                }
+            }
+        }
+        Ok(())
+    }
+
+    fn has_cycle(&self, node_id: &TaskId, visited: &mut HashMap<TaskId, bool>) -> bool {
+        visited.insert(node_id.clone(), true);
+        for dep in &self.nodes.get(node_id).unwrap().deps {
+            if let Some(&true) = visited.get(dep) {
+                return true;
+            }
+            if !visited.contains_key(dep) && self.has_cycle(dep, visited) {
+                return true;
+            }
+        }
+        visited.insert(node_id.clone(), false);
+        false
+    }
+}

From 0ec06179fc7cc45638fb4bd534aebf321b22ddab Mon Sep 17 00:00:00 2001
From: 07calc <maheshwarivinayak90@gmail.com>
Date: Wed, 20 May 2026 14:07:53 +0530
Subject: [PATCH 5/6] feat: graph errors

---
 Cargo.lock                                    |  12 ++
 crates/core/Cargo.toml                        |   1 +
 crates/core/src/config.rs                     | 118 ++++++++----------
 crates/core/src/fs.rs                         |   4 +-
 crates/core/src/lib.rs                        |   1 -
 crates/error/Cargo.toml                       |  13 ++
 .../src/error.rs => error/src/config.rs}      |   3 -
 crates/error/src/graph.rs                     |  17 +++
 crates/error/src/lib.rs                       |  17 +++
 crates/fyrer/Cargo.toml                       |   2 +
 crates/fyrer/src/main.rs                      |   5 +-
 crates/graph/Cargo.toml                       |   1 +
 crates/graph/src/lib.rs                       |  10 +-
 13 files changed, 126 insertions(+), 78 deletions(-)
 create mode 100644 crates/error/Cargo.toml
 rename crates/{core/src/error.rs => error/src/config.rs} (91%)
 create mode 100644 crates/error/src/graph.rs
 create mode 100644 crates/error/src/lib.rs

diff --git a/Cargo.lock b/Cargo.lock
index f606aa9..b81281b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,6 +20,7 @@ version = "0.3.0"
 dependencies = [
  "anyhow",
  "fyrer-core",
+ "fyrer-error",
  "fyrer-graph",
 ]
 
@@ -34,6 +35,7 @@ dependencies = [
 name = "fyrer-core"
 version = "0.3.0"
 dependencies = [
+ "fyrer-error",
  "serde",
  "serde_yaml",
  "thiserror",
@@ -53,6 +55,15 @@ dependencies = [
  "fyrer-types",
 ]
 
+[[package]]
+name = "fyrer-error"
+version = "0.3.0"
+dependencies = [
+ "serde",
+ "serde_yaml",
+ "thiserror",
+]
+
 [[package]]
 name = "fyrer-executor"
 version = "0.3.0"
@@ -67,6 +78,7 @@ version = "0.3.0"
 dependencies = [
  "anyhow",
  "fyrer-core",
+ "fyrer-error",
  "fyrer-types",
 ]
 
diff --git a/crates/core/Cargo.toml b/crates/core/Cargo.toml
index 47a4c19..d5fc5d9 100644
--- a/crates/core/Cargo.toml
+++ b/crates/core/Cargo.toml
@@ -10,3 +10,4 @@ repository.workspace = true
 thiserror.workspace = true
 serde.workspace = true
 serde_yaml.workspace = true
+fyrer-error = { path = "../error/" }
diff --git a/crates/core/src/config.rs b/crates/core/src/config.rs
index 0bf3340..4c316b3 100644
--- a/crates/core/src/config.rs
+++ b/crates/core/src/config.rs
@@ -1,13 +1,11 @@
+use fyrer_error::{FyrerError, FyrerResult, config::ConfigError};
 use serde::{Deserialize, Serialize};
 use std::{
     collections::{HashMap, HashSet},
     path::PathBuf,
 };
 
-use crate::{
-    error::{ConfigError, FyrerError, FyrerResult},
-    tasks::{Task, TaskId, TaskMap},
-};
+use crate::tasks::{Task, TaskId, TaskMap};
 
 pub type EnvMap = HashMap<String, String>;
 
@@ -71,32 +69,26 @@ pub enum RestartStrategy {
 impl FyrerConfig {
     pub fn new_from_path(path: &str) -> FyrerResult<FyrerConfig> {
         let content = std::fs::read_to_string(path).map_err(|e| {
-            crate::error::FyrerError::Config(crate::error::ConfigError::ReadFile {
+            FyrerError::Config(ConfigError::ReadFile {
                 path: path.to_string(),
                 source: e,
             })
         })?;
 
-        let config: FyrerConfig = serde_yaml::from_str(content.as_str()).map_err(|e| {
-            crate::error::FyrerError::Config(crate::error::ConfigError::ParseYaml(e))
-        })?;
-        config.validate().map_err(|e| {
-            crate::error::FyrerError::Config(crate::error::ConfigError::InvalidConfig(
-                e.to_string(),
-            ))
-        })?;
+        let config: FyrerConfig = serde_yaml::from_str(content.as_str())
+            .map_err(|e| FyrerError::Config(ConfigError::ParseYaml(e)))?;
+        config
+            .validate()
+            .map_err(|e| FyrerError::Config(ConfigError::InvalidConfig(e.to_string())))?;
         Ok(config)
     }
 
     pub fn new_from_str(content: &str) -> FyrerResult<FyrerConfig> {
-        let config: FyrerConfig = serde_yaml::from_str(content).map_err(|e| {
-            crate::error::FyrerError::Config(crate::error::ConfigError::ParseYaml(e))
-        })?;
-        config.validate().map_err(|e| {
-            crate::error::FyrerError::Config(crate::error::ConfigError::InvalidConfig(
-                e.to_string(),
-            ))
-        })?;
+        let config: FyrerConfig = serde_yaml::from_str(content)
+            .map_err(|e| FyrerError::Config(ConfigError::ParseYaml(e)))?;
+        config
+            .validate()
+            .map_err(|e| FyrerError::Config(ConfigError::InvalidConfig(e.to_string())))?;
         Ok(config)
     }
 
@@ -109,12 +101,10 @@ impl FyrerConfig {
 
     fn validate_version(&self) -> FyrerResult<()> {
         if self.version != 1 {
-            return Err(FyrerError::Config(
-                crate::error::ConfigError::InvalidConfig(format!(
-                    "unsupported config version: {}",
-                    self.version
-                )),
-            ));
+            return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                "unsupported config version: {}",
+                self.version
+            ))));
         }
         Ok(())
     }
@@ -122,50 +112,46 @@ impl FyrerConfig {
     fn validate_projects(&self) -> FyrerResult<()> {
         let mut project_names = HashSet::new();
         for project in &self.projects {
-            let mut task_names = HashSet::new();
+            // let mut task_names: HashSet<String> = HashSet::new();
             if !project_names.insert(&project.name) {
-                return Err(FyrerError::Config(
-                    crate::error::ConfigError::InvalidConfig(format!(
-                        "duplicate project name: {}",
-                        project.name
-                    )),
-                ));
+                return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                    "duplicate project name: {}",
+                    project.name
+                ))));
             }
             if project.root.as_os_str().is_empty() {
-                return Err(FyrerError::Config(
-                    crate::error::ConfigError::InvalidConfig(format!(
-                        "project '{}' has empty root path",
-                        project.name
-                    )),
-                ));
+                return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                    "project '{}' has empty root path",
+                    project.name
+                ))));
             }
             if project.root.is_absolute() {
-                return Err(FyrerError::Config(
-                    crate::error::ConfigError::InvalidConfig(format!(
-                        "project '{}' has absolute root path '{}'",
-                        project.name,
-                        project.root.display()
-                    )),
-                ));
+                return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                    "project '{}' has absolute root path '{}'",
+                    project.name,
+                    project.root.display()
+                ))));
             }
             if project.env_path.is_empty() {
-                return Err(FyrerError::Config(
-                    crate::error::ConfigError::InvalidConfig(format!(
-                        "project '{}' has empty env_path",
-                        project.name
-                    )),
-                ));
-            }
-            for task_name in project.tasks.keys() {
-                if !task_names.insert(task_name) {
-                    return Err(FyrerError::Config(
-                        crate::error::ConfigError::InvalidConfig(format!(
-                            "duplicate task name '{}' in project '{}'",
-                            task_name, project.name
-                        )),
-                    ));
-                }
+                return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+                    "project '{}' has empty env_path",
+                    project.name
+                ))));
             }
+
+            //TODO: currently we are making a map of tasks, so its not possible to detect duplicate
+            //task names at the yaml parsing stage. We need to add custom validation to check for
+            //duplicate task names and return an error if found. This is a known issue that we will
+            //address in a future update.
+            //
+            // for task_name in project.tasks.keys() {
+            //     if !task_names.insert(task_name) {
+            //         return Err(FyrerError::Config(ConfigError::InvalidConfig(format!(
+            //             "duplicate task name '{}' in project '{}'",
+            //             task_name, project.name
+            //         ))));
+            //     }
+            // }
         }
         Ok(())
     }
@@ -209,10 +195,13 @@ impl FyrerConfig {
         let mut task_map = HashMap::new();
         for project in &self.projects {
             for (task_name, task_config) in &project.tasks {
+                let mut env = self.env.clone();
+                env.extend(project.env.clone());
+                env.extend(task_config.env.clone());
                 let task = Task {
                     project_name: project.name.clone(),
                     project_root: project.root.clone(),
-                    env: project.env.clone(),
+                    env,
                     task_name: task_name.clone(),
                     cmd: task_config.cmd.clone(),
                     depends_on: task_config.depends_on.clone(),
@@ -259,7 +248,6 @@ fn default_restart() -> RestartConfig {
 
 mod tests {
     use super::*;
-
     #[test]
     fn test_valid_config() {
         let yaml = r#"
diff --git a/crates/core/src/fs.rs b/crates/core/src/fs.rs
index 29206bd..c849ba8 100644
--- a/crates/core/src/fs.rs
+++ b/crates/core/src/fs.rs
@@ -1,6 +1,6 @@
 use std::fs::read_to_string;
 
-use crate::error::FyrerResult;
+use fyrer_error::{FyrerError, FyrerResult, config::ConfigError};
 
 pub fn dir_exists(path: &str) -> bool {
     std::path::Path::new(path).is_dir()
@@ -12,7 +12,7 @@ pub fn file_exists(path: &str) -> bool {
 
 pub fn read_file(path: &str) -> FyrerResult<String> {
     let content = read_to_string(path).map_err(|e| {
-        crate::error::FyrerError::Config(crate::error::ConfigError::ReadFile {
+        FyrerError::Config(ConfigError::ReadFile {
             path: path.to_string(),
             source: e,
         })
diff --git a/crates/core/src/lib.rs b/crates/core/src/lib.rs
index 25afe21..abff079 100644
--- a/crates/core/src/lib.rs
+++ b/crates/core/src/lib.rs
@@ -1,4 +1,3 @@
 pub mod config;
-pub mod error;
 pub mod fs;
 pub mod tasks;
diff --git a/crates/error/Cargo.toml b/crates/error/Cargo.toml
new file mode 100644
index 0000000..de2530d
--- /dev/null
+++ b/crates/error/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "fyrer-error"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+thiserror.workspace = true
+serde.workspace = true
+serde_yaml.workspace = true
+
diff --git a/crates/core/src/error.rs b/crates/error/src/config.rs
similarity index 91%
rename from crates/core/src/error.rs
rename to crates/error/src/config.rs
index fc3f3bc..c9796a6 100644
--- a/crates/core/src/error.rs
+++ b/crates/error/src/config.rs
@@ -1,7 +1,6 @@
 use thiserror::Error;
 
 #[derive(Debug, Error)]
-
 pub enum ConfigError {
     #[error("failed to read file at '{path}': {source}")]
     ReadFile {
@@ -22,5 +21,3 @@ pub enum FyrerError {
     #[error("config error: {0}")]
     Config(#[from] ConfigError),
 }
-
-pub type FyrerResult<T> = Result<T, FyrerError>;
diff --git a/crates/error/src/graph.rs b/crates/error/src/graph.rs
new file mode 100644
index 0000000..c1f5e0a
--- /dev/null
+++ b/crates/error/src/graph.rs
@@ -0,0 +1,17 @@
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum GraphError {
+    #[error("cycle detected involving task '{0}'")]
+    CycleDetected(String),
+    #[error("task '{dependency}' referenced by '{dependent}' not found")]
+    MissingDependency {
+        dependent: String,
+        dependency: String,
+    },
+    #[error("task '{0}' depends on itself")]
+    SelfDependency(String),
+    #[error("invalid dependency format '{dependency}' in task '{task}', expected 'project:task'")]
+    InvalidTaskId { dependency: String, task: String },
+}
+
diff --git a/crates/error/src/lib.rs b/crates/error/src/lib.rs
new file mode 100644
index 0000000..2615b0c
--- /dev/null
+++ b/crates/error/src/lib.rs
@@ -0,0 +1,17 @@
+pub mod config;
+pub mod graph;
+
+use thiserror::Error;
+
+use crate::config::ConfigError;
+use crate::graph::GraphError;
+
+#[derive(Debug, Error)]
+pub enum FyrerError {
+    #[error("config error: {0}")]
+    Config(#[from] ConfigError),
+    #[error("graph error: {0}")]
+    Graph(#[from] GraphError),
+}
+
+pub type FyrerResult<T> = Result<T, FyrerError>;
diff --git a/crates/fyrer/Cargo.toml b/crates/fyrer/Cargo.toml
index b15c151..d86878c 100644
--- a/crates/fyrer/Cargo.toml
+++ b/crates/fyrer/Cargo.toml
@@ -9,5 +9,7 @@ repository.workspace = true
 [dependencies]
 fyrer-core = {path = "../core/"}
 fyrer-graph = {path = "../graph/"}
+fyrer-error = { path = "../error/" }
 anyhow.workspace = true
 
+
diff --git a/crates/fyrer/src/main.rs b/crates/fyrer/src/main.rs
index b766e97..4f5a58f 100644
--- a/crates/fyrer/src/main.rs
+++ b/crates/fyrer/src/main.rs
@@ -1,12 +1,13 @@
 use std::fs;
 
-use fyrer_core::{config::FyrerConfig, error::FyrerResult};
+use fyrer_core::config::FyrerConfig;
+use fyrer_error::FyrerResult;
 fn main() -> FyrerResult<()> {
     let config_str = fs::read_to_string("fyrer.yml").expect("Failed to read config file");
     let config = FyrerConfig::new_from_str(&config_str)?;
     let task_map = config.create_task_map();
     drop(config);
     let task_graph = fyrer_graph::TaskGraph::new(&task_map);
-    dbg!(task_graph.validate().unwrap());
+    let validation = task_graph.validate()?;
     Ok(())
 }
diff --git a/crates/graph/Cargo.toml b/crates/graph/Cargo.toml
index 1ec63f4..6f81406 100644
--- a/crates/graph/Cargo.toml
+++ b/crates/graph/Cargo.toml
@@ -10,3 +10,4 @@ repository.workspace = true
 anyhow.workspace = true
 fyrer-types = { path = "../types" }
 fyrer-core = { path = "../core" }
+fyrer-error = { path = "../error" }
diff --git a/crates/graph/src/lib.rs b/crates/graph/src/lib.rs
index 786b270..2127d61 100644
--- a/crates/graph/src/lib.rs
+++ b/crates/graph/src/lib.rs
@@ -1,6 +1,7 @@
 use std::collections::HashMap;
 
 use fyrer_core::tasks::{TaskId, TaskMap};
+use fyrer_error::{FyrerResult, graph::GraphError};
 
 #[derive(Debug)]
 pub struct TaskGraph {
@@ -47,15 +48,14 @@ impl TaskGraph {
         graph
     }
 
-    pub fn validate(&self) -> Result<(), String> {
+    pub fn validate(&self) -> FyrerResult<()> {
         let mut visited = HashMap::new();
         for node in self.nodes.values() {
             if !visited.contains_key(&node.id) {
                 if self.has_cycle(&node.id, &mut visited) {
-                    return Err(format!(
-                        "Cycle detected involving task '{}'",
-                        node.id.to_string()
-                    ));
+                    return Err(fyrer_error::FyrerError::Graph(GraphError::CycleDetected(
+                        node.id.to_string(),
+                    )));
                 }
             }
         }

From b04235ea17b4624cdd1d4b481813e84d99d71b26 Mon Sep 17 00:00:00 2001
From: 07calc <maheshwarivinayak90@gmail.com>
Date: Wed, 27 May 2026 21:33:37 +0530
Subject: [PATCH 6/6] feat: graph validation

---
 crates/core/src/tasks.rs |  8 ++++++
 crates/fyrer/src/main.rs |  4 +--
 crates/graph/src/lib.rs  | 62 +++++++++++++++++++++++++++++++++++++---
 3 files changed, 68 insertions(+), 6 deletions(-)

diff --git a/crates/core/src/tasks.rs b/crates/core/src/tasks.rs
index 189294d..cf2bbae 100644
--- a/crates/core/src/tasks.rs
+++ b/crates/core/src/tasks.rs
@@ -36,4 +36,12 @@ impl TaskId {
     pub fn to_string(&self) -> String {
         format!("{}:{}", self.project_name, self.task_name)
     }
+    pub fn from_string(s: &str) -> Option<TaskId> {
+        let parts: Vec<&str> = s.split(':').collect();
+        if parts.len() == 2 {
+            Some(TaskId::new(parts[0], parts[1]))
+        } else {
+            None
+        }
+    }
 }
diff --git a/crates/fyrer/src/main.rs b/crates/fyrer/src/main.rs
index 4f5a58f..2bf54e7 100644
--- a/crates/fyrer/src/main.rs
+++ b/crates/fyrer/src/main.rs
@@ -7,7 +7,7 @@ fn main() -> FyrerResult<()> {
     let config = FyrerConfig::new_from_str(&config_str)?;
     let task_map = config.create_task_map();
     drop(config);
-    let task_graph = fyrer_graph::TaskGraph::new(&task_map);
-    let validation = task_graph.validate()?;
+    let task_graph = fyrer_graph::TaskGraph::new(&task_map)?;
+    task_graph.validate()?;
     Ok(())
 }
diff --git a/crates/graph/src/lib.rs b/crates/graph/src/lib.rs
index 2127d61..9f679cf 100644
--- a/crates/graph/src/lib.rs
+++ b/crates/graph/src/lib.rs
@@ -16,7 +16,7 @@ pub struct TaskNode {
 }
 
 impl TaskGraph {
-    pub fn new(task_map: &TaskMap) -> TaskGraph {
+    pub fn new(task_map: &TaskMap) -> FyrerResult<Self> {
         let mut graph = TaskGraph {
             nodes: HashMap::new(),
         };
@@ -34,8 +34,27 @@ impl TaskGraph {
 
         for (id, task) in task_map {
             for dep in &task.depends_on {
-                let parts: Vec<&str> = dep.split(':').collect();
-                let dep_id = TaskId::new(parts[0], parts[1]);
+                let dep_id = if let Some((proj, task_name)) = dep.split_once(':') {
+                    TaskId::new(proj, task_name)
+                } else {
+                    TaskId::new(&task.project_name, dep)
+                };
+
+                if dep_id == *id {
+                    return Err(fyrer_error::FyrerError::Graph(
+                        GraphError::SelfDependency(id.to_string()),
+                    ));
+                }
+
+                if !graph.nodes.contains_key(&dep_id) {
+                    return Err(fyrer_error::FyrerError::Graph(
+                        GraphError::MissingDependency {
+                            dependent: id.to_string(),
+                            dependency: dep_id.to_string(),
+                        },
+                    ));
+                }
+
                 graph.nodes.get_mut(id).unwrap().deps.push(dep_id.clone());
                 graph
                     .nodes
@@ -45,7 +64,7 @@ impl TaskGraph {
                     .push(id.clone());
             }
         }
-        graph
+        Ok(graph)
     }
 
     pub fn validate(&self) -> FyrerResult<()> {
@@ -75,4 +94,39 @@ impl TaskGraph {
         visited.insert(node_id.clone(), false);
         false
     }
+
+    pub fn get_exec_flow(&self, task: String) -> FyrerResult<Vec<Vec<TaskId>>> {
+        let mut flow = Vec::new();
+        let task_id = TaskId::from_string(&task);
+
+        match task_id {
+            Some(id) => {
+                self.build_flow(&id, &mut flow)?;
+            }
+            None => {
+                return Err(fyrer_error::FyrerError::Graph(GraphError::InvalidTaskId {
+                    dependency: task.clone(),
+                    task: task.clone(),
+                }));
+            }
+        }
+
+        Ok(flow)
+    }
+    fn build_flow(&self, task_id: &TaskId, flow: &mut Vec<Vec<TaskId>>) -> FyrerResult<()> {
+        if let Some(node) = self.nodes.get(task_id) {
+            for dep in &node.deps {
+                self.build_flow(dep, flow)?;
+            }
+            flow.push(vec![task_id.clone()]);
+        } else {
+            return Err(fyrer_error::FyrerError::Graph(
+                GraphError::MissingDependency {
+                    dependent: task_id.to_string(),
+                    dependency: task_id.to_string(),
+                },
+            ));
+        }
+        Ok(())
+    }
 }