docs: add POC specs, handoffs, and research notes

docs/archive/misc/agent/AGENT_AUTHENTICATION_FIX.md

@@ -32,9 +32,9 @@ headers = {
 }
 
 resp = requests.post(
-    SERVER_URL, 
-    files=files, 
-    data=data, 
+    SERVER_URL,
+    files=files,
+    data=data,
     headers=headers,
     timeout=timeout
 )
@@ -75,8 +75,8 @@ if os.getenv("RPA_TOKEN_READONLY"):
 Added environment variables directly to service:
 
 ```ini
-Environment="RPA_TOKEN_ADMIN=73cf0db73f9a5064e79afebba96c85338be65cc2060b9c1d42c3ea5dd7d4e490"
-Environment="RPA_TOKEN_READONLY=7eea1de415cc69c02381ce09ff63aeebf3e1d9b476d54aa6730ba9de849e3dc6"
+Environment="RPA_TOKEN_ADMIN=REDACTED"
+Environment="RPA_TOKEN_READONLY=REDACTED"
 ```
 
 ## Current Status
@@ -105,7 +105,7 @@ Expected result: HTTP 200 or 400 (not 401 Unauthorized)
 
 ## Production Tokens
 
-- **Admin Token**: `73cf0db73f9a5064e79afebba96c85338be65cc2060b9c1d42c3ea5dd7d4e490`
-- **Read-Only Token**: `7eea1de415cc69c02381ce09ff63aeebf3e1d9b476d54aa6730ba9de849e3dc6`
+- **Admin Token**: `REDACTED`
+- **Read-Only Token**: `REDACTED`
 
 These tokens are configured in `/etc/rpa_vision_v3/rpa_vision_v3.env` and the systemd service.