diff --git a/AI_RULES.md b/AI_RULES.md
index 76cc1ca4..626f56ff 100644
--- a/AI_RULES.md
+++ b/AI_RULES.md
@@ -33,7 +33,15 @@ For technical architecture, data models, and stack details, refer to [PROJECT_AR
   - **Categories**: ALWAYS use `Layers` (Color: `text-primary`).
   - **Item Types**: ALWAYS use `Package` (Color: `text-green-500`).
 
-## 4. End of Session Protocol
+## 4. Documentation Maintenance
+- **SSOT INTEGRITY**: Whenever a feature is added, modified, or removed, you MUST update all corresponding documentation files:
+  - `README.md` (General usage & technical modes).
+  - `USER_GUIDE.md` (End-user instructions).
+  - `PROJECT_ARCHITECTURE.md` (Technical logic & data models).
+  - `export_prod.sh` (If new scripts or files must be included in the production bundle).
+- **REAL-TIME UPDATES**: Documentation updates are NOT optional and must be performed within the same session as the code changes.
+
+## 5. End of Session Protocol
 - Once a phase/task from `PLAN.md` is completed and verified, move that entry into `dev_docs/PLAN_HISTORY.md`.
 - After finishing an entire job (including updating session state, architecture logs, and versioning), end your final response on a separate line exactly with:
   ```
diff --git a/VERSION.json b/VERSION.json
index fa37b63b..084c14fc 100644
--- a/VERSION.json
+++ b/VERSION.json
@@ -1,10 +1,10 @@
 {
-  "version": "1.3.4",
+  "version": "1.3.5",
   "last_build": "2026-04-11-1250",
   "commit": "PENDING",
   "changelog": [
+    "v1.3.5: Updated AI_RULES.md with mandatory documentation maintenance requirements for all agents",
     "v1.3.4: Created USER_GUIDE.md (Romanian) for end-users and integrated into export bundle",
-    "v1.3.3: Added comprehensive project README.md documenting all operational modes",
-    "v1.3.2: Systemd Standalone: Switched systemd service from Docker to bare-metal"
+    "v1.3.3: Added comprehensive project README.md documenting all operational modes"
   ]
 }
diff --git a/backend/logs/backend.log b/backend/logs/backend.log
index b6396e02..0de33454 100644
--- a/backend/logs/backend.log
+++ b/backend/logs/backend.log
@@ -277,3 +277,43 @@
 [2026-04-11 12:48:37] [WARNING] [uvicorn.error] Invalid HTTP request received.
 [2026-04-11 12:48:37] [INFO] [uvicorn.access] ::ffff:127.0.0.1:0 - "POST /exa.language_server_pb.LanguageServerService/GetUnleashData HTTP/1.1" 404
 [2026-04-11 12:48:54] [INFO] [uvicorn.access] ::ffff:192.168.84.140:0 - "GET /items/ HTTP/1.1" 200
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Shutting down
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Waiting for application shutdown.
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Application shutdown complete.
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Finished server process [89361]
+[2026-04-11 12:49:13] [INFO] [ainventory] Database tables verified.
+[2026-04-11 12:49:13] [INFO] [ainventory] TFM aInventory API process started.
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Started server process [89809]
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Waiting for application startup.
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Application startup complete.
+[2026-04-11 12:49:13] [INFO] [uvicorn.error] Shutting down
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Waiting for application shutdown.
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Application shutdown complete.
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Finished server process [89809]
+[2026-04-11 12:49:14] [INFO] [ainventory] Database tables verified.
+[2026-04-11 12:49:14] [INFO] [ainventory] TFM aInventory API process started.
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Started server process [89812]
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Waiting for application startup.
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Application startup complete.
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Shutting down
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Waiting for application shutdown.
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Application shutdown complete.
+[2026-04-11 12:49:14] [INFO] [uvicorn.error] Finished server process [89812]
+[2026-04-11 12:49:15] [INFO] [ainventory] Database tables verified.
+[2026-04-11 12:49:15] [INFO] [ainventory] TFM aInventory API process started.
+[2026-04-11 12:49:15] [INFO] [uvicorn.error] Started server process [89817]
+[2026-04-11 12:49:15] [INFO] [uvicorn.error] Waiting for application startup.
+[2026-04-11 12:49:15] [INFO] [uvicorn.error] Application startup complete.
+[2026-04-11 12:49:16] [INFO] [uvicorn.error] Shutting down
+[2026-04-11 12:49:16] [INFO] [uvicorn.error] Waiting for application shutdown.
+[2026-04-11 12:49:16] [INFO] [uvicorn.error] Application shutdown complete.
+[2026-04-11 12:49:16] [INFO] [uvicorn.error] Finished server process [89817]
+[2026-04-11 12:49:17] [INFO] [ainventory] Database tables verified.
+[2026-04-11 12:49:17] [INFO] [ainventory] TFM aInventory API process started.
+[2026-04-11 12:49:17] [INFO] [uvicorn.error] Started server process [89839]
+[2026-04-11 12:49:17] [INFO] [uvicorn.error] Waiting for application startup.
+[2026-04-11 12:49:17] [INFO] [uvicorn.error] Application startup complete.
+[2026-04-11 12:49:24] [INFO] [uvicorn.access] ::ffff:192.168.84.140:0 - "GET /items/ HTTP/1.1" 200
+[2026-04-11 12:49:54] [INFO] [uvicorn.access] ::ffff:192.168.84.140:0 - "GET /items/ HTTP/1.1" 200
+[2026-04-11 12:50:24] [INFO] [uvicorn.access] ::ffff:192.168.84.140:0 - "GET /items/ HTTP/1.1" 200
+[2026-04-11 12:50:54] [INFO] [uvicorn.access] ::ffff:192.168.84.140:0 - "GET /items/ HTTP/1.1" 200