kin: KIN-083 Healthcheck claude CLI auth: перед запуском pipeline проверять что claude залогинен (быстрый claude -p 'ok' --output-format json, проверить is_error и 'Not logged in'). Если не залогинен — не запускать pipeline, а показать ошибку 'Claude CLI requires login' в GUI с инструкцией.

web/api.py

@@ -426,6 +426,16 @@ def start_project_phase(project_id: str):
     in_progress, spawns a background subprocess (same as /api/tasks/{id}/run),
     and returns immediately so the HTTP request doesn't block on agent execution.
     """
+    from agents.runner import check_claude_auth, ClaudeAuthError
+    try:
+        check_claude_auth()
+    except ClaudeAuthError:
+        raise HTTPException(503, detail={
+            "error": "claude_auth_required",
+            "message": "Claude CLI requires login",
+            "instructions": "Run: claude login",
+        })
+
     conn = get_conn()
     p = models.get_project(conn, project_id)
     if not p:
@@ -454,8 +464,9 @@ def start_project_phase(project_id: str):
     conn.close()
 
     kin_root = Path(__file__).parent.parent
-    cmd = [sys.executable, "-m", "cli.main", "--db", str(DB_PATH), "run", task_id]
-    cmd.append("--allow-write")
+    cmd = [sys.executable, "-m", "cli.main", "--db", str(DB_PATH),
+           "run", task_id]
+    cmd.append("--allow-write")  # always required: subprocess runs non-interactively (stdin=DEVNULL)
 
     import os
     env = os.environ.copy()
@@ -776,6 +787,16 @@ def is_task_running(task_id: str):
 @app.post("/api/tasks/{task_id}/run")
 def run_task(task_id: str):
     """Launch pipeline for a task in background. Returns 202."""
+    from agents.runner import check_claude_auth, ClaudeAuthError
+    try:
+        check_claude_auth()
+    except ClaudeAuthError:
+        raise HTTPException(503, detail={
+            "error": "claude_auth_required",
+            "message": "Claude CLI requires login",
+            "instructions": "Run: claude login",
+        })
+
     conn = get_conn()
     t = models.get_task(conn, task_id)
     if not t:
@@ -965,8 +986,14 @@ def bootstrap(body: BootstrapRequest):
         if obs["tasks"] or obs["decisions"]:
             obsidian = obs
 
-    save_to_db(conn, body.id, body.name, str(project_path),
-               tech_stack, modules, decisions, obsidian)
+    try:
+        save_to_db(conn, body.id, body.name, str(project_path),
+                   tech_stack, modules, decisions, obsidian)
+    except Exception as e:
+        if models.get_project(conn, body.id):
+            models.delete_project(conn, body.id)
+        conn.close()
+        raise HTTPException(500, f"Bootstrap failed: {e}")
     p = models.get_project(conn, body.id)
     conn.close()
     return {