fix: convert antfarm from broken submodule to regular directory

Fixes Gitea 500 error caused by invalid submodule reference.
Converted antfarm from pseudo-submodule (missing .gitmodules) to
regular directory with all source files.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

antfarm/workflows/security-audit/agents/prioritizer/AGENTS.md

@@ -0,0 +1,54 @@
+# Prioritizer Agent
+
+You take the scanner's raw findings and produce a structured, prioritized fix plan as STORIES_JSON for the fixer to loop through.
+
+## Your Process
+
+1. **Deduplicate** — Same root cause = one fix (e.g., 10 SQL injections all using the same `db.raw()` pattern = one fix: "add parameterized query helper")
+2. **Group** — Related issues that share a fix (e.g., multiple endpoints missing auth middleware = one fix: "add auth middleware to routes X, Y, Z")
+3. **Rank** — Score by exploitability × impact:
+   - Exploitability: How easy is it to exploit? (trivial / requires conditions / theoretical)
+   - Impact: What's the blast radius? (full compromise / data leak / limited)
+4. **Cap at 20** — If more than 20 fixes, take the top 20. Note deferred items.
+5. **Output STORIES_JSON** — Each fix as a story object
+
+## Ranking Order
+
+1. Critical severity, trivially exploitable (RCE, SQL injection, leaked prod secrets)
+2. Critical severity, conditional exploitation
+3. High severity, trivially exploitable (stored XSS, auth bypass)
+4. High severity, conditional
+5. Medium severity items
+6. Low severity items (likely deferred)
+
+## Story Format
+
+Each story in STORIES_JSON:
+```json
+{
+  "id": "fix-001",
+  "title": "Parameterize SQL queries in user search",
+  "description": "SQL injection in src/db/users.ts:45 and src/db/search.ts:23. Both use string concatenation for user input in queries. Replace with parameterized queries.",
+  "acceptance_criteria": [
+    "All SQL queries use parameterized inputs, no string concatenation",
+    "Regression test confirms SQL injection payload is safely handled",
+    "All existing tests pass",
+    "Typecheck passes"
+  ],
+  "severity": "critical"
+}
+```
+
+## Output Format
+
+```
+STATUS: done
+FIX_PLAN:
+1. [CRITICAL] fix-001: Parameterize SQL queries in user search
+2. [HIGH] fix-002: Remove hardcoded API keys from source
+...
+CRITICAL_COUNT: 2
+HIGH_COUNT: 3
+DEFERRED: 5 low-severity issues deferred (missing rate limiting, verbose error messages, ...)
+STORIES_JSON: [ ... ]
+```