feat(desktop): use collective mesh routing for Auto

crates/buzz-agent/src/config.rs

@@ -726,6 +726,12 @@ pub struct Config {
     pub anthropic_api_version: String,
     /// OpenAI endpoint selection. See [`OpenAiApi`].
     pub openai_api: OpenAiApi,
+    /// Prefer mesh-llm's virtual `mesh` model when the configured/effective
+    /// OpenAI model is `auto` and the live model catalog advertises it.
+    /// Set by Buzz's relay-mesh provider via
+    /// `BUZZ_AGENT_PREFER_MESH_FOR_AUTO=1`; other providers keep their
+    /// existing `auto` semantics.
+    pub prefer_mesh_for_auto: bool,
     pub hints_enabled: bool,
     /// Thinking/reasoning effort level. `None` = use provider default (no
     /// thinking config sent). Set via `BUZZ_AGENT_THINKING_EFFORT`.
@@ -798,6 +804,7 @@ impl Config {
             base_url,
             anthropic_api_version: env_or("ANTHROPIC_API_VERSION", "2023-06-01"),
             openai_api,
+            prefer_mesh_for_auto: parse_env("BUZZ_AGENT_PREFER_MESH_FOR_AUTO", 0u8)? != 0,
             max_rounds: parse_env("BUZZ_AGENT_MAX_ROUNDS", 0)?,
             max_output_tokens: parse_env("BUZZ_AGENT_MAX_OUTPUT_TOKENS", 32_768)?,
             llm_timeout: Duration::from_secs(parse_env("BUZZ_AGENT_LLM_TIMEOUT_SECS", 240)?),
@@ -844,6 +851,7 @@ impl Config {
             system_prompt: String::new(),
             anthropic_api_version: "2023-06-01".into(),
             openai_api: OpenAiApi::Chat,
+            prefer_mesh_for_auto: false,
             max_rounds: 0,
             max_output_tokens: 1,
             llm_timeout: Duration::from_secs(30),

desktop/src-tauri/Cargo.toml

@@ -90,14 +90,14 @@ buzz_persona_pkg = { package = "buzz-persona", path = "../../crates/buzz-persona
 buzz_sdk_pkg = { package = "buzz-sdk", path = "../../crates/buzz-sdk" }
 buzz_agent_pkg = { package = "buzz-agent", path = "../../crates/buzz-agent" }
 iroh = { version = "1.0.2", optional = true }
-mesh-llm-sdk = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "c441ea7f328692b18b7f49ad819c7b1a603cbdcb", package = "mesh-llm-sdk", default-features = false, features = ["client", "serving"], optional = true }
-mesh-llm-host-runtime = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "c441ea7f328692b18b7f49ad819c7b1a603cbdcb", package = "mesh-llm-host-runtime", default-features = false, features = ["dynamic-native-runtime"], optional = true }
+mesh-llm-sdk = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "f455d493a2ae82baf2a326e2d0fda351433b4b30", package = "mesh-llm-sdk", default-features = false, features = ["client", "serving"], optional = true }
+mesh-llm-host-runtime = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "f455d493a2ae82baf2a326e2d0fda351433b4b30", package = "mesh-llm-host-runtime", default-features = false, features = ["dynamic-native-runtime"], optional = true }
 # Model catalog + hardware survey for the Share-compute model picker (same
 # diagnose pattern as mesh-console). Lib name of mesh-llm-client is mesh_client.
-mesh-llm-client = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "c441ea7f328692b18b7f49ad819c7b1a603cbdcb", package = "mesh-llm-client", optional = true }
-mesh-llm-node = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "c441ea7f328692b18b7f49ad819c7b1a603cbdcb", package = "mesh-llm-node", optional = true }
-mesh-llm-system = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "c441ea7f328692b18b7f49ad819c7b1a603cbdcb", package = "mesh-llm-system", optional = true }
-mesh-llm-events = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "c441ea7f328692b18b7f49ad819c7b1a603cbdcb", package = "mesh-llm-events", optional = true }
+mesh-llm-client = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "f455d493a2ae82baf2a326e2d0fda351433b4b30", package = "mesh-llm-client", optional = true }
+mesh-llm-node = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "f455d493a2ae82baf2a326e2d0fda351433b4b30", package = "mesh-llm-node", optional = true }
+mesh-llm-system = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "f455d493a2ae82baf2a326e2d0fda351433b4b30", package = "mesh-llm-system", optional = true }
+mesh-llm-events = { git = "https://github.com/Mesh-LLM/mesh-llm.git", rev = "f455d493a2ae82baf2a326e2d0fda351433b4b30", package = "mesh-llm-events", optional = true }
 base64 = "0.22"
 sha2 = "0.11"
 tar = "0.4"