Govern task context and advance execution pointer

docs/status/M15-02A.md

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+# M15-02A Status
+
+status: done
+task: Map inventory entries to owner, implementation class, tests and evidence
+updated: 2026-08-19 America/New_York
+enablingTask: false
+parityStateChange: false
+
+## Scope
+
+All 6,900 entries from M15-01A through M15-01F now have unique stable IDs and mappings to one of 20
+owner families, an `INVENTORY_BASELINE` implementation class, the source checker, and the source
+manifest. Coverage remains `INVENTORIED_ONLY`; the map does not claim functional implementation.
+
+## Evidence
+
+- `npm --prefix web run test:blender-parity-map` passed deterministic regeneration and artifact checks.
+- Checker output: `blender-parity-map-ok mapped=6900 families=20 map=f3e757f26e58a4252b6cc2a7f9275428bbe5bf659cc0f0ff6350a147bdf2809c next=M15-02B`.
+- `npm --prefix web run typecheck` and `git diff --check` passed.
+
+## Artifact Hashes
+
+- parent manifest: `d49a6196cc5f35907e450b2c547be31962ae759a7db3c473586f9d8254f7878f`
+- generator: `2430a0eaa408ebba2fe25a1e873989784f8c50fe6dccc6636a07a76e986eb4ca`
+- checker: `b5f33d8535c0d72c53979f3a222b0004a48d265706adf5c1f9cad6907c80d092`
+- map: `f3e757f26e58a4252b6cc2a7f9275428bbe5bf659cc0f0ff6350a147bdf2809c`
+- report: `650a1c37e459bbaf19f20fa7f2be57bcb2ea8dd6ed472726a9ff399d17109132`
+- manifest: `9f9e954bd3f00fbc2b18802ed8c7cfce469de8cd0f6bc23e49fa2a89ecb0dcc4`
+
+## Next Task
+
+`M15-02B`: detect unmapped, duplicate, summary-only, proxy-only and route-only entries.
+
+## Rollback
+
+Remove the map generator, checker, map, report, manifest, package command and this status page.
+Restore `M15-01F` as the queue tail without modifying source inventories.