todo: add V1 worker deprecation task

TODO.md

@@ -49,6 +49,18 @@ Optimize only if memory becomes a constraint.
 
 ---
 
+## Deprecation
+
+### [ ] Remove V1 worker protocol
+
+- V2 workers (URL-driven) are the standard; no V1 workers remain active
+- Remove `--worker` flag and V1 code path in ppf.py
+- Remove `/api/claim`, `/api/submit` V1 endpoints in httpd.py
+- Remove V1 heartbeat/registration handling
+- Clean up any V1-specific state tracking in proxywatchd.py
+
+---
+
 ## Known Issues
 
 ### [!] Podman Container Metadata Disappears