T03: mark done with outcome notes

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 1629012@bnt-lap001
Assistant-Session: 78d4fb13-8a1e-474b-87a3-9b9261c49a39

workplans/TD-WP-0002-vertical-spike-crystallization.md

@@ -146,7 +146,7 @@ Two consequences that change later tasks:
 
 ```task
 id: TD-WP-0002-T03
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "31b88522-decd-5f4c-b0e2-05b6981f33b8"
 ```
@@ -158,6 +158,20 @@ identifier convention. Plain files under `research/`.
 No CLI, no register tooling, no schema. The control plane is overhead until there
 are readings to record.
 
+**Done 2026-08-22.** `research/` holds H-001…H-005 (each with an explicit
+falsification condition), E-001…E-003, the fitness map, the findings log and the
+ID convention.
+
+Three things worth carrying forward:
+- The fitness map corrects the Improvement Loop § 13 starting classifications
+  **downward**. Nothing can honestly exceed `C1` with no implementation; `C2` was
+  aspirational.
+- **H-005 (Energy) is dormant by decision** — untestable at this scale, so events
+  are captured and no scoring is written.
+- **H-001 requires a real control arm** (a robust recorded selector sequence). A
+  straw-man control would make the semantic-action thesis trivially true and
+  worthless.
+
 ## Deterministic semantic kernel
 
 ```task