feat: preserve execution ownership in sagan concentrator #1905

AGENTS.md

@@ -105,6 +105,8 @@ Keep it short, stable, and helper-oriented. Deep runbooks belong in checked-in d
   `tests/results/_agent/handoff/autonomous-governor-summary.json`.
 - `node tools/npm/run-script.mjs priority:governor:portfolio` refreshes the cross-repo operating receipt at
   `tests/results/_agent/handoff/autonomous-governor-portfolio-summary.json`.
+- `node tools/npm/run-script.mjs priority:context:concentrate` refreshes the compact durable memory receipt at
+  `tests/results/_agent/handoff/sagan-context-concentrator.json`.
 - `node tools/npm/run-script.mjs priority:continuity` refreshes the continuity receipts at
   `tests/results/_agent/runtime/continuity-telemetry.json` and
   `tests/results/_agent/handoff/continuity-summary.json`.
@@ -116,6 +118,7 @@ Keep it short, stable, and helper-oriented. Deep runbooks belong in checked-in d
   - `tests/results/_agent/issue/no-standing-priority.json`
   - `tests/results/_agent/handoff/autonomous-governor-summary.json`
   - `tests/results/_agent/handoff/autonomous-governor-portfolio-summary.json`
+  - `tests/results/_agent/handoff/sagan-context-concentrator.json`
   - `tests/results/_agent/handoff/continuity-summary.json`
   - `tests/results/_agent/handoff/entrypoint-status.json`
   - `tests/results/_agent/runtime/`

AGENT_HANDOFF.txt

@@ -9,8 +9,7 @@ Live repository state belongs in the machine-generated artifacts under
 ## First Actions
 
 1. Run `pwsh -NoLogo -NoProfile -File tools/priority/bootstrap.ps1`.
-2. Check `.agent_priority_cache.json` and
-   `tests/results/_agent/issue/router.json`.
+2. Check `.agent_priority_cache.json` and `tests/results/_agent/issue/router.json`.
 3. Run `pwsh -NoLogo -NoProfile -File tools/Print-AgentHandoff.ps1
    -ApplyToggles -AutoTrim` when you need the current watcher/handoff snapshot.
 4. When human disposition surfaces are in play, run
@@ -25,7 +24,9 @@ Live repository state belongs in the machine-generated artifacts under
    `tests/results/_agent/handoff/autonomous-governor-summary.json` for the
    current repo owner decision and
    `tests/results/_agent/handoff/autonomous-governor-portfolio-summary.json`
-   for the cross-repo owner decision.
+   for the cross-repo owner decision, and
+   `tests/results/_agent/handoff/sagan-context-concentrator.json` for the compact
+   hot/warm durable memory view of subagent work and blockers.
 
 ## Live State Surfaces
 
@@ -43,6 +44,8 @@ Live repository state belongs in the machine-generated artifacts under
   `node tools/npm/run-script.mjs priority:governor:summary`
 - Governor portfolio:
   `node tools/npm/run-script.mjs priority:governor:portfolio`
+- Context concentrator:
+  `node tools/npm/run-script.mjs priority:context:concentrate`
 
 ## Current-State Artifacts
 
@@ -54,6 +57,7 @@ Live repository state belongs in the machine-generated artifacts under
 - `tests/results/_agent/handoff/entrypoint-status.json`
 - `tests/results/_agent/handoff/monitoring-mode.json`
 - `tests/results/_agent/handoff/autonomous-governor-summary.json`
+- `tests/results/_agent/handoff/sagan-context-concentrator.json`
 - `tests/results/_agent/handoff/autonomous-governor-portfolio-summary.json`
 - `tests/results/_agent/handoff/human-go-no-go-latest.json`
 - `tests/results/_agent/handoff/*.json`
@@ -65,8 +69,7 @@ Live repository state belongs in the machine-generated artifacts under
 - The project board is visibility only.
 - Treat `queue-empty` as a valid idle state; do not invent a null issue context.
 - Treat `queue-empty + safe-idle + pivot-ready` as an explicit monitoring state.
-- Prefer sanitized repo helpers (`node tools/npm/run-script.mjs ...`) over raw
-  `npm`.
+- Prefer sanitized repo helpers (`node tools/npm/run-script.mjs ...`) over raw `npm`.
 
 ## When Handoff Looks Wrong
 

docs/DEVELOPER_GUIDE.md

@@ -661,6 +661,9 @@ pwsh -File tools/Print-AgentHandoff.ps1 -ApplyToggles -AutoTrim
   `node tools/npm/run-script.mjs priority:handoff`, which now prints the
   entrypoint index alongside the standing-priority snapshot and other handoff
   summaries.
+- Refresh the compact hot/warm durable memory view directly with
+  `node tools/npm/run-script.mjs priority:context:concentrate`, which writes
+  `tests/results/_agent/handoff/sagan-context-concentrator.json`.
 - The overall future-agent handoff contract is summarized in
   [`docs/knowledgebase/Agent-Handoff-Surfaces.md`](./knowledgebase/Agent-Handoff-Surfaces.md).
 - See [`WATCHER_TELEMETRY_DX.md`](./WATCHER_TELEMETRY_DX.md) for automation response expectations.

docs/knowledgebase/Agent-Handoff-Surfaces.md

@@ -25,6 +25,10 @@ entrypoint and machine-generated live state.
   which is the top-level machine-readable rollup for the autonomous governor's
   current mode, wake disposition, funding-quality posture, release-signing
   readiness, and next owner.
+- It refreshes `tests/results/_agent/handoff/sagan-context-concentrator.json`,
+  which is the machine-readable hot/warm memory concentrator for the current
+  standing issue, current owner decision, recent subagent episodes, and durable
+  blocker context.
 - It refreshes
   `tests/results/_agent/handoff/autonomous-governor-portfolio-summary.json`,
   which is the cross-repo machine-readable rollup for compare, canonical
@@ -44,6 +48,9 @@ entrypoint and machine-generated live state.
 - `node tools/npm/run-script.mjs priority:handoff`
   imports the handoff bundle and prints the entrypoint index, standing-priority
   snapshot, and other current summaries.
+- `node tools/npm/run-script.mjs priority:context:concentrate`
+  rebuilds the compact context concentrator directly when you need the
+  synthesized hot/warm memory view without the full handoff bundle.
 - `node tools/npm/run-script.mjs priority:handoff-tests`
   exercises the contract lane used to keep these handoff surfaces from drifting.
 
@@ -59,6 +66,7 @@ entrypoint and machine-generated live state.
 - `tests/results/_agent/handoff/entrypoint-status.json`
 - `tests/results/_agent/handoff/monitoring-mode.json`
 - `tests/results/_agent/handoff/autonomous-governor-summary.json`
+- `tests/results/_agent/handoff/sagan-context-concentrator.json`
 - `tests/results/_agent/handoff/autonomous-governor-portfolio-summary.json`
 - `tests/results/_agent/handoff/downstream-repo-graph-truth.json`
 - `tests/results/_agent/release/release-signing-readiness.json`
@@ -83,6 +91,9 @@ entrypoint and machine-generated live state.
   event-driven monitoring mode.
 - `tests/results/_agent/handoff/autonomous-governor-summary.json` is the
   top-level operating summary for the autonomous governor.
+- `tests/results/_agent/handoff/sagan-context-concentrator.json` is the compact
+  durable memory view that keeps subagent findings, hot blockers, and current
+  owner decisions close to the active handoff surface.
 - `tests/results/_agent/handoff/autonomous-governor-portfolio-summary.json` is
   the cross-repo operating summary for compare, canonical template, and proving
   forks together.
@@ -100,6 +111,8 @@ entrypoint and machine-generated live state.
   - funding-quality posture for the latest wake
   - release-signing readiness, including explicit external blockers when workflow
     signing material is absent
+  - concentrated subagent episode memory, including hot working set,
+    warm recent memory, archive count, and lower-bound blended spend
   - cross-repo owner and next-owner decisions
   - repo graph truth for producer lineage, canonical development, and consumer proving
   - wake conditions that should reopen compare or template work

docs/schemas/delivery-agent-runtime-state-v1.schema.json

@@ -322,6 +322,34 @@
             "requiresLocalCheckout": { "type": ["boolean", "null"] }
           }
         },
+        "executionTopology": {
+          "type": ["object", "null"],
+          "additionalProperties": true,
+          "properties": {
+            "status": { "type": ["string", "null"] },
+            "executionPlane": { "type": ["string", "null"] },
+            "providerId": { "type": ["string", "null"] },
+            "workerSlotId": { "type": ["string", "null"] },
+            "cellId": { "type": ["string", "null"] },
+            "laneId": { "type": ["string", "null"] },
+            "cellClass": { "type": ["string", "null"] },
+            "suiteClass": { "type": ["string", "null"] },
+            "planeBinding": { "type": ["string", "null"] },
+            "harnessKind": { "type": ["string", "null"] },
+            "harnessInstanceId": { "type": ["string", "null"] },
+            "executionCellLeaseId": { "type": ["string", "null"] },
+            "dockerLaneLeaseId": { "type": ["string", "null"] },
+            "premiumSaganMode": { "type": "boolean" },
+            "reciprocalLinkReady": { "type": "boolean" },
+            "operatorAuthorizationRef": { "type": ["string", "null"] },
+            "activeLogicalLaneCount": { "type": ["integer", "null"], "minimum": 0 },
+            "seededLogicalLaneCount": { "type": ["integer", "null"], "minimum": 0 },
+            "runtimeSurface": { "type": ["string", "null"] },
+            "processModelClass": { "type": ["string", "null"] },
+            "windowsOnly": { "type": "boolean" },
+            "requestedSimultaneous": { "type": "boolean" }
+          }
+        },
         "providerDispatch": {
           "type": ["object", "null"],
           "additionalProperties": true,