refactor(lsp): rename worker iii-lsp -> lsp

[guibeira]

Summary

Renames the in-repo worker iii-lsp -> lsp (folder, crate package, [lib], [[bin]], iii.worker.yaml name:/bin:, internal identity strings) and updates CI to match. Task 2 of the remove-iii-prefix plan.

Changes

• git mv iii-lsp lsp.
• lsp/Cargo.toml: package/lib/bin name = "lsp". iii-sdk dependency left byte-identical.
• lsp/iii.worker.yaml: name: lsp, bin: lsp; interface_smoke: false retained.
• iii_lsp lib identifier -> lsp across the worker folder; worker-identity string literals (WorkerMetadata.name, LSP ServerInfo.name, diagnostic source, CLI command name, log prefixes) updated to lsp.
• .github/workflows/release.yml: tag pattern iii-lsp/v* -> lsp/v*.
• .github/workflows/create-tag.yml: allowlist iii-lsp -> lsp; iii-lsp-vscode entry + special-case block left as-is.
• validate_worker.py / parse_publish_workers_input.py: no iii-lsp entry existed (only iii-directory), so no change needed.
• Docs: root README.md worker table + lsp/README.md updated to the lsp binary name.

VS Code extension (intentionally preserved)

The marketplace identity iii-lsp, the iii-lsp.* config namespace, config.get(...) keys, and the pinned-release installer flow in iii-lsp-vscode/ are kept unchanged to avoid breaking users' settings.json and marketplace continuity. Only extension.js was updated: the PATH binary lookup now prefers lsp and falls back to the legacy iii-lsp name.

External SDK deps

No references to iii-sdk, iii-observability, iii-state, iii-stream, or iii-queue were touched (out of scope; source lives in the SDK repo).

Verification

• cargo build (lsp): PASS.
• cargo test (lsp): PASS — 61 unit + 2 integration tests.
• validate_worker.py --worker lsp: PASS (name=lsp matches folder, strict mode).
• Sanity grep: remaining iii-lsp hits are only the iii-lsp-vscode/ extension (marketplace name, config namespace, pinned installer/tests), the extension.js PATH fallback, iii-lsp-vscode CI entries, and explanatory comments referencing the stdio-worker example.

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Project	Deployment	Actions	Updated (UTC)
workers	Building	Preview	Jun 15, 2026 1:08pm

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