debug logging for timers

routes/timers.py

@@ -13,6 +13,7 @@ PUT  /api/providers/<provider>/timers/<client_index>
 DELETE /api/providers/<provider>/timers/<client_index>
 """
 
+import json
 from bottle import request, response
 
 from streaming_providers.base.models.timer import (
@@ -331,7 +332,47 @@ def setup_timers_routes(app, manager, service):
             500 on unexpected errors.
         """
         try:
-            body = request.json
+            # TEMP DIAGNOSTIC (remove once the Invalid-JSON issue is confirmed
+            # fixed): request.json swallows the raw bytes on parse failure, so
+            # we can't tell what actually arrived. Read + log it manually first.
+            content_type = request.get_header("Content-Type", "")
+            content_length = request.get_header("Content-Length", "")
+            raw_body = request.body.read()
+            logger.info(
+                f"add_provider_timer[{provider}]: Content-Type={content_type!r} "
+                f"Content-Length header={content_length!r} actual bytes={len(raw_body)}"
+            )
+            logger.info(
+                f"add_provider_timer[{provider}]: raw body (repr, truncated to 2000 chars)="
+                f"{raw_body[:2000]!r}"
+            )
+
+            try:
+                body = json.loads(raw_body.decode("utf-8"))
+            except UnicodeDecodeError as e:
+                logger.error(
+                    f"add_provider_timer[{provider}]: body is not valid UTF-8 — "
+                    f"{e} — first 100 bytes hex: {raw_body[:100].hex()}"
+                )
+                response.status = 400
+                return {
+                    "error": "Bad request",
+                    "message": f"Request body is not valid UTF-8: {e}",
+                    "provider": provider,
+                }
+            except json.JSONDecodeError as e:
+                logger.error(
+                    f"add_provider_timer[{provider}]: JSON decode failed at "
+                    f"line {e.lineno} col {e.colno} (char {e.pos}): {e.msg} — "
+                    f"context: {raw_body[max(0, e.pos - 30):e.pos + 30]!r}"
+                )
+                response.status = 400
+                return {
+                    "error": "Bad request",
+                    "message": f"Request body must be valid JSON: {e.msg} at position {e.pos}",
+                    "provider": provider,
+                }
+
             if not body:
                 response.status = 400
                 return {