conductor(plan): Mark Task 5.1 complete (Phase 5 docs done)

conductor/tracks/send_result_to_send_20260616/plan.md

@@ -494,14 +494,14 @@ Next: rename in 3 current docs (Phase 5)." <hash>
 - Modify: `docs/guide_app_controller.md` (refs)
 - Modify: `conductor/code_styleguides/error_handling.md` (6 refs)
 
-### Task 5.1: Rename in the 3 current docs (single commit)
+### Task 5.1: Rename in the 3 current docs (single commit) [9b50112]
 
-- [ ] **Step 1: Identify all references in the 3 docs**
+- [x] **Step 1: Identify all references in the 3 docs**
 
 Run: `git grep -n "send_result" -- docs/guide_ai_client.md docs/guide_app_controller.md conductor/code_styleguides/error_handling.md`
 Expected: ~10-15 lines total.
 
-- [ ] **Step 2: Rename each reference**
+- [x] **Step 2: Rename each reference**
 
 For each reference:
 - `ai_client.send_result` → `ai_client.send`
@@ -514,7 +514,7 @@ Use the MCP edit tool. These are doc files; readability matters.
 Verify: `git grep "send_result" -- docs/guide_ai_client.md docs/guide_app_controller.md conductor/code_styleguides/error_handling.md`
 Expected: 0 matches.
 
-- [ ] **Step 3: Commit**
+- [x] **Step 3: Commit**
 
 ```bash
 git add docs/guide_ai_client.md docs/guide_app_controller.md conductor/code_styleguides/error_handling.md
@@ -528,7 +528,7 @@ docs/reports/*) are NOT modified — they document the 2026-06-15
 public_api_migration decision and stay as historical record."
 ```
 
-- [ ] **Step 4: Attach the git note**
+- [x] **Step 4: Attach the git note**
 
 ```bash
 git notes add -m "Task 5.1: rename in 3 current docs

scripts/tier2/update_plan_t5_1.py

@@ -0,0 +1,45 @@
+"""Update plan.md for Task 5.1."""
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+PLAN = Path("conductor/tracks/send_result_to_send_20260616/plan.md")
+SHA = "9b50112"
+
+EDITS: list[tuple[str, str]] = [
+ (
+  "### Task 5.1: Rename in the 3 current docs (single commit)\n\n- [ ] **Step 1: Identify all references in the 3 docs**",
+  f"### Task 5.1: Rename in the 3 current docs (single commit) [{SHA}]\n\n- [x] **Step 1: Identify all references in the 3 docs**",
+ ),
+ ("- [ ] **Step 2: Rename each reference**", "- [x] **Step 2: Rename each reference**"),
+ ("- [ ] **Step 3: Commit**", "- [x] **Step 3: Commit**"),
+ ("- [ ] **Step 4: Attach the git note**", "- [x] **Step 4: Attach the git note**"),
+]
+
+
+def main() -> int:
+ with PLAN.open("r", encoding="utf-8", newline="") as f:
+  content = f.read()
+ has_crlf = "\r\n" in content
+ nl = "\r\n" if has_crlf else "\n"
+ normalized = [(o.replace("\n", nl), n.replace("\n", nl)) for o, n in EDITS]
+ new_content = content
+ applied = 0
+ for old, new in normalized:
+  if old in new_content:
+   new_content = new_content.replace(old, new, 1)
+   applied += 1
+  else:
+   print(f"NOT FOUND: {old[:80]!r}", file=sys.stderr)
+ if applied != len(EDITS):
+  print(f"Only applied {applied}/{len(EDITS)} edits.", file=sys.stderr)
+  return 1
+ with PLAN.open("w", encoding="utf-8", newline="") as f:
+  f.write(new_content)
+ print(f"Applied {applied}/{len(EDITS)} edits. Line endings: {'CRLF' if has_crlf else 'LF'}")
+ return 0
+
+
+if __name__ == "__main__":
+ raise SystemExit(main())