fix: update remaining session state references in other agents

- project-bootstrapper.md: Update to use announcement issues
- system-watchdog.md: Begin migration to tracking system (partial)

Note: The critical issue in product-builder.md has been resolved.
Some agents still need complete session state reference cleanup but
have automation tracking systems already in place.

.opencode/agents/project-bootstrapper.md

@@ -234,7 +234,7 @@ Create the following directories (with `.gitkeep` files to ensure they are track
    e. Forgejo labels (via API)
    f. Forgejo milestones (via API)
    g. Branch protection (via API)
-4. After all setup, post a summary comment on the session state issue (if an issue index is provided)
+4. After all setup, create a project bootstrap completion announcement issue with summary
 
 ## Commit Strategy
 

.opencode/agents/system-watchdog.md

@@ -1828,15 +1828,18 @@ function audit_deep_session_introspection():
             line += f"workers={data.get('children', '?')}"
             summary_lines.append(line)
 
-        post comment on session state issue:
-            "[WATCHDOG] Deep introspection — cycle <cycle>:
-             Session health overview:
-             <newline-joined summary_lines>
-             Findings this pass: <len(findings)>
+        # Create system health tracking issue
+        health_body="[WATCHDOG] Deep introspection — cycle $cycle:
 
-             ---
-             **Automated by CleverAgents Bot**
-             Supervisor: System Watchdog | Agent: system-watchdog"
+Session health overview:
+$(printf '%s\n' "${summary_lines[@]}")
+
+---
+**Automated by CleverAgents Bot**
+Supervisor: System Health | Agent: system-watchdog"
+        
+        cleanup_previous_system_watchdog_tracking
+        create_system_watchdog_tracking_issue $cycle "$health_body"
 
     return findings
 ```
@@ -2210,14 +2213,22 @@ def invoke_subagent(agent_type, description, params):
             # An agent used the FORBIDDEN force_merge flag
             # Create a Priority/CI-Blocker issue AND alert product-builder
             create_bug_issue(finding)
-            post comment on session state issue:
-                f"[WATCHDOG ALERT] forbidden_api_flag:
-                 supervisor_name: {finding.get('supervisor_name', 'unknown')}
-                 session_id: {finding.session_id}
-                 type: {finding.type}
-                 detail: {finding.detail}
-                 evidence: {finding.evidence[:200]}
-                 severity: CRITICAL
+            # Create critical watchdog alert
+            alert_body=f"[WATCHDOG ALERT] forbidden_api_flag:
+
+- supervisor_name: {finding.get('supervisor_name', 'unknown')}
+- session_id: {finding.session_id}
+- violation: Agent used forbidden force_merge flag
+- action: Created Priority/CI-Blocker issue
+
+---
+**Automated by CleverAgents Bot**
+Supervisor: System Health | Agent: system-watchdog"
+            
+            create_system_watchdog_announcement_issue \
+                f"CRITICAL: {finding.get('supervisor_name', 'unknown')} used forbidden API" \
+                "Priority/Critical" \
+                "$alert_body"
                  action_taken: created_bug_issue
                  action_required: relaunch_supervisor