fix(athena): implement 10 prompt audit fixes from council review

- Fix 1: Clarify 'restart at Step 3' → 'restart the council workflow from Step 3 (intent classification)'
- Fix 2: Replace {council-session-name} with static references to council_finalize archive_dir
- Fix 3: Add documenting comment for call_omo_agent in solo mode allowlist
- Fix 4: Add delegation agent rationale comment to RUNTIME_GUIDANCE_BY_INTENT
- Fix 5: Type-safe COUNCIL_INTENT_ADDENDUMS with Record<CouncilIntent, string>
- Fix 6: Clarify FREEFORM wording re COUNCIL_MEMBER_RESPONSE tag requirement
- Fix 7: Remove dead Step 15 fallback from agent.ts
- Fix 8: Add compound question intent precedence guidance
- Fix 9: Fix AUDIT double-period typo
- Fix 10: Add edge case test for extractCouncilResponse with literal tag text

src/tools/council-archive/council-response-extractor.test.ts

@@ -64,6 +64,26 @@ describe("extractCouncilResponse", () => {
     })
   })
 
+  describe("#given response body contains literal COUNCIL_MEMBER_RESPONSE tag text", () => {
+    it("#then extracts the actual tagged response, not the discussed tag", () => {
+      const text = [
+        "Here is my exploration log where I discuss the tag format.",
+        "The system uses <COUNCIL_MEMBER_RESPONSE> tags for extraction.",
+        "Now here is my actual response:",
+        "<COUNCIL_MEMBER_RESPONSE>",
+        "## Finding 1: Tag discussion in body",
+        "The extractor uses lastIndexOf to find the opening tag.",
+        "</COUNCIL_MEMBER_RESPONSE>",
+      ].join("\n")
+      const result = extractCouncilResponse(text)
+      expect(result).toEqual({
+        has_response: true,
+        response_complete: true,
+        result: "## Finding 1: Tag discussion in body\nThe extractor uses lastIndexOf to find the opening tag.",
+      })
+    })
+  })
+
   describe("#given an empty string", () => {
     it("#then returns has_response false and null result", () => {
       const result = extractCouncilResponse("")