Refactor peer schedule job API to use proper REST verbs (#1239)

* Fixed quotation marks

* Update wgd.sh

* Refactor peer schedule job API to use proper REST verbs

Replace single POST endpoints with POST/PUT/DELETE for peer schedule jobs.
Add require_fields decorator for request validation. Add fetchPut and
fetchDelete helpers in the frontend.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

* Add local development with Docker section to docker/README.md

Explains how to mount src/ as a volume for live code editing
using a compose-local.yaml setup.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

* Update README dev section with frontend build instructions

Replace Vite dev server tip with npm install/build workflow
and docker restart step.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

---------

Co-authored-by: Donald Zou <[email protected]>
Co-authored-by: Claude Sonnet 4.6 <[email protected]>

src/modules/Peer.py

@@ -151,7 +151,7 @@ class Peer:
                 )
             return True, None
         except subprocess.CalledProcessError as exc:
-            current_app.logger.error(f"Subprocess call failed:\n{exc.output.decode("UTF-8")}")
+            current_app.logger.error(f"Subprocess call failed:\n{exc.output.decode('UTF-8')}")
             return False, "Internal server error"
 
     def downloadPeer(self) -> dict[str, str]: