update reserach skill

_docs/_autodev_state.md

@@ -6,9 +6,25 @@ step: 3
 name: Plan
 status: in_progress
 sub_step:
-  phase: 5
-  name: plan-step-1-complete
-  detail: "Plan Step 1 (test-spec sub-skill) COMPLETE. Phase 1 (input-data analysis) DONE earlier; Phase 2 (test scenarios, 8 artifacts) DONE; Phase 3 HARD GATE PASSED (100% spec-level coverage, 0 truly-missing items, 0 removed tests, defer-don't-remove per Phase 1 D4); Hardware Assessment DONE — `## Test Execution` section appended to environment.md classifying project as hardware-dependent and recording the Mode-C (both: Docker for T1/T2/T3 + bench-local for T4 + field for T5) per-tier split decision; Phase 4 (runner-scripts) SKIPPED per skill rule (planning context — script creation deferred to Decompose as tasks). Plan Step 1 user-level BLOCKING gate (test coverage confirmation) was satisfied by the Phase 2 → Phase 3 confirmation earlier in this session. Next: Plan Step 2 (Solution Analysis), opening with BLOCKING Phase 2a.0 (Glossary + Architecture Vision)."
+  phase: 7
+  name: phase-2a-architecture
+  detail: |
+    Phase 2a.0 COMPLETE — _docs/02_document/glossary.md written and confirmed by
+    user (2026-04-27). User picked option A on the condensed-view review.
+
+    Phase 2a architecture docs written:
+      - _docs/02_document/architecture.md
+      - _docs/02_document/system-flows.md
+
+    BLOCKING GATE: awaiting user confirmation of the Phase 2a architecture
+    summary. On A, advance sub_step to:
+      phase: 8
+      name: phase-2b-data-model
+      detail: "Phase 2a confirmed; proceed to data_model.md."
+
+    If the user requests edits, update the two Phase 2a files and re-present the
+    architecture summary before advancing. Do not re-ask the already-locked
+    Q1-Q6 / F1 / F2 / F3 decisions unless the user explicitly reopens them.
 retry_count: 0
 cycle: 1
 tracker: jira