FE-807: Structured response capture into selected-spec graph truth

.agents/skills/ln-scope/SKILL.md

@@ -96,7 +96,7 @@ Chain discipline:
 
 - keep chains short — typically 2–5 cards
 - keep each card in full or light scope-card format
-- mark card status clearly (`next`, `in progress`, `done`, `dropped`)
+- mark card status clearly (`next`, `in progress`, `done`, `dropped`, `stale`)
 - if any card trips the promotion checklist, reveals a frontier split, or turns out to depend on unknown results from an earlier card, stop the chain and route back through `ln-spec` or `ln-plan` as appropriate
 - delete the scope file when its chain is exhausted or superseded (per-file deletion only)
 

.fixtures/README.md

@@ -1,7 +1,6 @@
 # `.fixtures/`
 
-Current probe artifacts and transcript evidence for the Brunch POC.
-
+Current seed data plus probe artifacts and transcript evidence for the Brunch POC.
 The active convention is **probe first, transcript-backed**: each committed run
 must have a probe id, a run id, executable/reportable oracle output, and the
 transcript artifact needed for human review. Brief-based golden fixtures may
@@ -15,15 +14,24 @@ for the current architecture.
 
 ```
 .fixtures/
+├── seeds/
+│   └── <seed-set>/
+│       ├── README.md
+│       ├── <seed>.json          # Reusable explicit-basis starting truth
+│       └── _*.ts                # Reproducible data-prep scripts, not product code
 └── runs/
     └── <probe-id>/
         └── <run-id>/
             ├── session.jsonl        # Source transcript / canonical run evidence
             ├── transcript.md        # Human-readable semantic rendering
-            └── report.json          # Probe report and artifact paths
+            ├── report.json          # Probe report and artifact paths
+            └── graph-snapshot.json  # Optional graph readback when graph truth is the proof target
 ```
 
 ## Current runs
 
 - `runs/public-rpc-parity/2026-05-29-public-rpc-parity/` — FE-744 public Brunch
   JSON-RPC structured-exchange parity proof.
+- `runs/fixture-curation/fixture-curation-2026-06-05T104440Z/` —
+  dev-seed-fixtures tracer proving a Bilal-derived explicit base seed can be expanded
+  through the real `propose-graph`/`commit_graph` product path with implicit graph readback.