Remove the Open-WebUI retrieval bridge — Varaverk is the only Ollama client now

Deployment/host.conf.template

@@ -578,7 +578,6 @@
 
 # ━━━ Ollama ━━━
     HOSTN_OLLAMA_URL=""                          # e.g. http://localhost:11434 — empty if no local Ollama
-    HOSTN_OLLAMA_CONTAINER="Ollama"              # for watchdog / restart lists
     HOSTN_OLLAMA_GPU_UUID=""                     # pins Ollama to one card on multi-GPU hosts
     HOSTN_OLLAMA_MODEL="hf.co/unsloth/Qwen3-14B-GGUF:IQ4_XS"  # generation — must fully offload; see README-AI.md
     HOSTN_OLLAMA_EMBED_MODEL="nomic-embed-text"  # embeddings — the generation model cannot embed

Deployment/master.conf.template

@@ -302,7 +302,6 @@
         "Docker_Essentials/docker_network_connect.sh" # ensure networks exist + connect containers
         "Arrs_Stack/arr_cache_prefill.sh"               # warm Lidarr/Sonarr/Radarr tracked-data caches before anything reads them cold
         "Arrs_Stack/start_webhook_listener.sh"             # arr upgrade webhook listener — continuous
-        "AI/start_ai_server.sh"                       # retrieval bridge for Open-WebUI — continuous, self-disables if AI_ENABLED=false
         "Fallback/fallback.sh"                        # mutual failover — continuous
     )
 
@@ -1645,19 +1644,6 @@
     AI_MEMORY_FILE="$DATA_DIR/ai_memory.md"
     AI_MEMORY_MAX_CHARS=4000        # ~1000 tokens — truncated with a notice if exceeded
 
-# ━━━ AI Retrieval Bridge ━━━
-# AI/ai_serve.js — a retrieval-only HTTP endpoint for clients that cannot see this filesystem.
-# Open-WebUI runs in its own container with no WebGUI session, and nginx applies auth_request to
-# everything it serves, so a container cannot reach the plugin's PHP API. Same reasoning, and
-# same shape, as WEBHOOK_PORT / WEBHOOK_SECRET above.
-#
-# It serves chunks, never answers — the caller already has a model. Read-only over documentation
-# that is already in git; the secret is the only gate, so treat the port as public and keep the
-# surface at one verb. Port 0 disables it.
-    AI_HTTP_PORT=7822
-    AI_HTTP_SECRET=""               # auto-generated on first start if empty
-    AI_HTTP_BIND="0.0.0.0"          # must be reachable from the docker bridge, not just loopback
-
 # ━━━ AI Feature Toggles ━━━
 # Tier 1 is narration — it cannot change a decision. Tier 2 adds context to a decision a script
 # already made. Tier 3 assists a human. Enable in that order, and give each one weeks.