Govern task context and advance execution pointer

docs/status/M15-01D.md

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+# M15-01D Status
+
+status: done
+task: Blender 5.2 sequencer, physics and import/export inventory
+updated: 2026-08-19 America/New_York
+enablingTask: false
+parityStateChange: false
+
+## Scope
+
+The pinned Blender 5.2 runtime generated deterministic inventories for 24 sequencer strip/effect
+types, 65 registered physics RNA data types, and 33 import/export operators. Operator entries retain
+poll state and sorted RNA properties. This is a machine baseline only; it does not claim web parity
+for sequencer, physics, or file formats.
+
+## Evidence
+
+- `npm --prefix web run test:blender-format-inventory` passed after temporary regeneration.
+- Checker output: `blender-format-inventory-ok strips=24 physics=65 io=33 inventory=d3892fc6126f2e477db8b7bcb2bc5ac7a77db1049f0165350ccc834d3a151394 next=M15-01E`.
+- `npm --prefix web run typecheck` and `git diff --check` passed.
+
+## Artifact Hashes
+
+- parent manifest: `ae6acf4fa173803fcbd9b4c3cff0a561563e7ddb7abf6985844397d14c8f45dc`
+- generator: `618ceb016bf7ab4251d1c8575bd091ea96aecdd423c1d69eea1082b13a734804`
+- checker: `3c22b24561a77058115e6ae1a58af7f0aaea782fab9416e2ce15221c4b91f8e4`
+- inventory: `d3892fc6126f2e477db8b7bcb2bc5ac7a77db1049f0165350ccc834d3a151394`
+- report: `e345452bda9fa1c054974a34895027c080cf055ced2f24330189edbf9c0d5a5d`
+- manifest: `7e67b065ac9ed8522eac3c4aa185487c6af1892619864f3760bd4efa860ab278`
+- runtime binary: `d4483926610484ef9c2ad9241aae1469f934d955ebe791f1920e263e0ba85b82`
+
+## Next Task
+
+`M15-01E`: editor, space, region, workspace and keymap inventory.
+
+## Rollback
+
+Remove the format generator, checker, inventory, report, manifest, package command and this status
+page together. Restore `M15-01C` as the queue tail without changing the family inventory.