fix: replace unavailable deepseek/deepseek-r1:free with openrouter/free

- deepseek/deepseek-r1:free no longer available on OpenRouter
- Replace with openrouter/free which is always available
- Fixes: No endpoints found for deepseek/deepseek-r1:free

Author: OpenCode Bot

app/src/main/assets/providers.json

@@ -58,13 +58,14 @@
           "maxTokens": 65536
         },
         {
-          "id": "deepseek/deepseek-r1:free",
-          "name": "DeepSeek R1 (Free)",
-          "reasoning": true,
+          "id": "openrouter/free",
+          "name": "Free Auto Router",
+          "reasoning": false,
           "input": [
-            "text"
+            "text",
+            "image"
           ],
-          "contextWindow": 163840,
+          "contextWindow": 200000,
           "maxTokens": 8192,
           "free": true
         },

app/src/main/java/com/xiaomo/androidforclaw/ui/activity/ModelSetupActivity.kt

@@ -66,7 +66,7 @@ class ModelSetupActivity : AppCompatActivity() {
                     ModelPreset("openrouter/hunter-alpha", "🏹 Hunter Alpha (Free, 1M Context)", reasoning = true, contextWindow = 1048576, maxTokens = 65536),
                     ModelPreset("openrouter/free", "🆓 Free Auto Router (No Top-up Required)"),
                     ModelPreset("qwen/qwen3-coder:free", "🆓 Qwen3 Coder (Free, 262K)", contextWindow = 262000),
-                    ModelPreset("deepseek/deepseek-r1:free", "🆓 DeepSeek R1 (Free, Reasoning)", reasoning = true, contextWindow = 163840),
+                    ModelPreset("openrouter/free", "🆓 Free Auto Router (No Top-up Required)", contextWindow = 200000),
                     ModelPreset("anthropic/claude-sonnet-4", "Claude Sonnet 4 (Paid, Recommended)", contextWindow = 200000, maxTokens = 16384),
                     ModelPreset("anthropic/claude-opus-4", "Claude Opus 4 (Paid)", contextWindow = 200000, maxTokens = 32768),
                     ModelPreset("openai/gpt-4.1", "GPT-4.1 (Paid)", contextWindow = 1048576, maxTokens = 32768),