Merge pull request #2138 into stage-344

fix: recover from stale deleted workspaces

api/routes.py

@@ -6967,7 +6967,7 @@ def _handle_chat_start(handler, body, diag=None):
         attachments = _normalize_chat_attachments(body.get("attachments") or [])[:20]
         diag.stage("resolve_workspace") if diag else None
         try:
-            workspace = str(resolve_trusted_workspace(body.get("workspace") or s.workspace))
+            workspace = _resolve_chat_workspace_with_recovery(s, body.get("workspace"))
         except ValueError as e:
             return bad(handler, str(e))
         requested_model = body.get("model") or s.model
@@ -7000,6 +7000,24 @@ def _handle_chat_start(handler, body, diag=None):
 
 
 
+def _resolve_chat_workspace_with_recovery(s, requested_workspace) -> str:
+    """Recover stale implicit session workspaces without hiding explicit errors."""
+    explicit = requested_workspace not in (None, "")
+    candidate = requested_workspace if explicit else getattr(s, "workspace", None)
+    try:
+        return str(resolve_trusted_workspace(candidate))
+    except ValueError:
+        if explicit:
+            raise
+    fallback = str(resolve_trusted_workspace(get_last_workspace()))
+    s.workspace = fallback
+    try:
+        s.save()
+    except Exception:
+        pass
+    return fallback
+
+
 def _normalize_chat_attachments(raw_attachments):
     """Normalize attachment payloads from the browser.
 

api/workspace.py

@@ -64,7 +64,7 @@ def _profile_default_workspace() -> str:
       2. 'default_workspace' — alternate explicit key
       3. 'terminal.cwd'      — hermes-agent terminal working dir (most common)
 
-    Falls back to the boot-time DEFAULT_WORKSPACE constant.
+    Falls back to the live DEFAULT_WORKSPACE from api.config.
     """
     try:
         from api.config import get_config
@@ -86,7 +86,12 @@ def _profile_default_workspace() -> str:
                     return str(p)
     except (ImportError, Exception):
         logger.debug("Failed to load profile default workspace config")
-    return str(_BOOT_DEFAULT_WORKSPACE)
+    try:
+        from api.config import DEFAULT_WORKSPACE as _LIVE_DEFAULT_WORKSPACE
+
+        return str(Path(_LIVE_DEFAULT_WORKSPACE).expanduser().resolve())
+    except Exception:
+        return str(Path(_BOOT_DEFAULT_WORKSPACE).expanduser().resolve())
 
 
 # ── Public API ──────────────────────────────────────────────────────────────