[loop-cycle-52] fix: remove all qwen3.5 references (#182) (#190)

config/agents.yaml

@@ -20,7 +20,7 @@
 # ── Defaults ────────────────────────────────────────────────────────────────
 
 defaults:
-  model: qwen3.5:latest
+  model: qwen3:30b
   prompt_tier: lite
   max_history: 10
   tools: []

config/providers.yaml

@@ -25,7 +25,7 @@ providers:
     url: "http://localhost:11434"
     models:
       # Text + Tools models
-      - name: qwen3.5:latest
+      - name: qwen3:30b
         default: true
         context_window: 128000
         # Note: actual context is capped by OLLAMA_NUM_CTX (default 4096) to save RAM
@@ -114,13 +114,12 @@ fallback_chains:
   # Tool-calling models (for function calling)
   tools:
     - llama3.1:8b-instruct # Best tool use
-    - qwen3.5:latest       # Qwen 3.5 — strong tool use
     - qwen2.5:7b           # Reliable tools
     - llama3.2:3b          # Small but capable
   
   # General text generation (any model)
   text:
-    - qwen3.5:latest
+    - qwen3:30b
     - llama3.1:8b-instruct
     - qwen2.5:14b
     - deepseek-r1:1.5b