fix: Add missing parse_history_entries function to models.py

src/app_controller.py

@@ -596,7 +596,7 @@ class AppController:
   self.files = list(self.project.get("files", {}).get("paths", []))
   self.screenshots = list(self.project.get("screenshots", {}).get("paths", []))
   disc_sec = self.project.get("discussion", {})
-  self.disc_roles = list(disc_sec.get("roles", list(models.DISC_ROLES)))
+  self.disc_roles = list(disc_sec.get("roles", ["User", "AI"]))
   self.active_discussion = disc_sec.get("active", "main")
   disc_data = disc_sec.get("discussions", {}).get(self.active_discussion, {})
   with self._disc_entries_lock:
@@ -1326,7 +1326,7 @@ class AppController:
   self.files = list(self.project.get("files", {}).get("paths", []))
   self.screenshots = list(self.project.get("screenshots", {}).get("paths", []))
   disc_sec = self.project.get("discussion", {})
-  self.disc_roles = list(disc_sec.get("roles", list(models.DISC_ROLES)))
+  self.disc_roles = list(disc_sec.get("roles", ["User", "AI"]))
   self.active_discussion = disc_sec.get("active", "main")
   disc_data = disc_sec.get("discussions", {}).get(self.active_discussion, {})
   with self._disc_entries_lock:

src/models.py

@@ -31,6 +31,29 @@ AGENT_TOOL_NAMES = [
     "py_get_hierarchy"
 ]
 
+def parse_history_entries(history_strings: list[str], roles: list[str]) -> list[dict[str, Any]]:
+    """Parse stored history strings back to disc entry dicts."""
+    import re
+    entries = []
+    for raw in history_strings:
+        ts = ""
+        rest = raw
+        if rest.startswith("@"):
+            nl = rest.find("\n")
+            if nl != -1:
+                ts = rest[1:nl]
+                rest = rest[nl + 1:]
+        known = roles or ["User", "AI"]
+        role_pat = re.compile(r"^(" + "|".join(re.escape(r) for r in known) + r"):", re.IGNORECASE)
+        match = role_pat.match(rest)
+        role = match.group(1) if match else "User"
+        if match:
+            content = rest[match.end():].strip()
+        else:
+            content = rest
+        entries.append({"role": role, "content": content, "collapsed": False, "ts": ts})
+    return entries
+
 @dataclass
 class Ticket:
     """