Proactive doctor, setup wizard, and TUI fixes

BREAKING CHANGES / KNOWN ISSUES:
- 8 skills have syntax errors causing loader warnings:
  org-skill-bouncer, org-skill-config-manager, org-skill-credentials-vault,
  org-skill-engineering-standards, org-skill-gardener, org-skill-homoiconic-memory,
  org-skill-peripheral-vision, org-skill-policy
- These skills fail to load but don't block system operation
- TUI works despite these errors

FEATURES ADDED:

1. Proactive Doctor System
   - Doctor runs automatically on daemon startup
   - Health check runs before accepting connections
   - Adds /health endpoint for health status queries
   - *system-health* variable tracks: :healthy, :degraded, :unhealthy, :unknown

2. Error Handling (Option B - Debugger Hook)
   - TUI and CLI now run doctor diagnostics on errors
   - Shows "Run opencortex doctor" message on crash
   - Suggests repair commands after failures

3. Interactive Setup Wizard (org-skill-config-manager)
   - Full wizard implemented in config-manager skill:
     * LLM provider configuration (OpenAI, Anthropic, OpenRouter, Groq, Gemini, Ollama)
     * Gateway linking (Slack, Discord)
     * Memory settings (auto-save interval, history retention)
     * Network settings (timeout, proxy)
   - Saves to ~/.config/opencortex/.env (KEY=VALUE format)
   - CLI integration: opencortex setup, setup --add-provider, setup --link

4. CLI Enhancements
   - doctor --watch: Background health monitoring (60s interval)
   - doctor --fix: Interactive repair (falls back to full setup if core files missing)
   - setup command runs wizard or delegates to setup_system

5. TUI Fixes
   - Inlined message formatting to avoid dependency issues
   - Added error handling in handle-return
   - Cleaner error messages

6. Thin Harness Compliance
   - Removed doctor from harness (now in org-skill-diagnostics skill)
   - XDG directories: only .lisp in harness, .org kept in skills for loader

harness/loop.org

@@ -96,6 +96,44 @@ The Metabolic Loop is the fundamental rhythm of OpenCortex: the continuous proce
 (defvar *shutdown-save-enabled* t)
 #+end_src
 
+** Health Status
+#+begin_src lisp
+(defvar *system-health* :unknown
+  "Current system health status: :healthy, :degraded, :unhealthy, or :unknown.")
+
+(defvar *health-check-ran* nil
+  "Flag indicating if initial health check has completed.")
+#+end_src
+
+** Proactive Doctor
+#+begin_src lisp
+(defun run-startup-health-check ()
+  "Runs the doctor diagnostics on startup. Returns health status."
+  (format t "~%")
+  (format t "==================================================~%")
+  (format t " DOCTOR: Running Startup Health Check~%")
+  (format t "==================================================~%")
+  (handler-case
+      (progn
+        (when (fboundp 'doctor-run-all)
+          (let ((result (doctor-run-all :auto-install nil)))
+            (setf *health-check-ran* t)
+            (if result
+                (progn
+                  (setf *system-health* :healthy)
+                  (format t "DAEMON: Health check passed. Starting services.~%"))
+                (progn
+                  (setf *system-health* :degraded)
+                  (format t "DAEMON: Health check found issues.~%")
+                  (format t "         Run 'opencortex doctor --fix' to repair.~%")))))
+        (setf *health-check-ran* t))
+    (error (c)
+      (format t "DOCTOR ERROR: ~a~%" c)
+      (setf *system-health* :unhealthy)
+      (setf *health-check-ran* t)))
+  (format t "==================================================~%~%"))
+#+end_src
+
 ** Main Entry Point (main)
 #+begin_src lisp
 (defun main ()
@@ -108,16 +146,20 @@ The Metabolic Loop is the fundamental rhythm of OpenCortex: the continuous proce
   (load-memory-from-disk)
   (initialize-actuators)
   (initialize-all-skills)
+  
+  ;; Run proactive doctor before starting services
+  (run-startup-health-check)
+  
   (start-heartbeat)
   (start-daemon)
 
   #+sbcl
   (sb-sys:enable-interrupt sb-unix:sigint
-                           (lambda (sig code scp)
-                             (declare (ignore sig code scp))
-                             (harness-log "SHUTDOWN: SIGINT received. Saving memory...")
-                             (when *shutdown-save-enabled* (save-memory-to-disk))
-                             (uiop:quit 0)))
+                            (lambda (sig code scp)
+                              (declare (ignore sig code scp))
+                              (harness-log "SHUTDOWN: SIGINT received. Saving memory...")
+                              (when *shutdown-save-enabled* (save-memory-to-disk))
+                              (uiop:quit 0)))
 
   (let ((sleep-interval (or (ignore-errors (parse-integer (uiop:getenv "DAEMON_SLEEP_INTERVAL"))) 3600)))
     (loop