feat: persistent CLI configuration with layered resolution

.github/workflows/ci.yml

@@ -20,6 +20,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Checkout sibling dependencies
+        run: |
+          git clone --depth 1 https://github.com/broomva/aiOS.git ../aiOS
+          git clone --depth 1 https://github.com/broomva/lago.git ../lago
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt
@@ -30,6 +34,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Checkout sibling dependencies
+        run: |
+          git clone --depth 1 https://github.com/broomva/aiOS.git ../aiOS
+          git clone --depth 1 https://github.com/broomva/lago.git ../lago
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
@@ -46,6 +54,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
+      - name: Checkout sibling dependencies
+        run: |
+          git clone --depth 1 https://github.com/broomva/aiOS.git ../aiOS
+          git clone --depth 1 https://github.com/broomva/lago.git ../lago
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
       - run: cargo test --workspace
@@ -56,6 +68,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Checkout sibling dependencies
+        run: |
+          git clone --depth 1 https://github.com/broomva/aiOS.git ../aiOS
+          git clone --depth 1 https://github.com/broomva/lago.git ../lago
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
       - run: cargo build --workspace --release
@@ -65,9 +81,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Checkout sibling dependencies
+        run: |
+          git clone --depth 1 https://github.com/broomva/aiOS.git ../aiOS
+          git clone --depth 1 https://github.com/broomva/lago.git ../lago
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.80.0"
+          toolchain: "1.88.0"
       - uses: Swatinem/rust-cache@v2
       - run: cargo check --workspace
 
@@ -85,4 +105,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: EmbarkStudios/cargo-deny-action@v2
+      - name: Checkout sibling dependencies
+        run: |
+          git clone --depth 1 https://github.com/broomva/aiOS.git ../aiOS
+          git clone --depth 1 https://github.com/broomva/lago.git ../lago
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo install cargo-deny --locked
+      - run: cargo deny check

Cargo.toml

@@ -81,6 +81,8 @@ serde_yaml = "0.9"
 wait-timeout = "0.2"
 walkdir = "2"
 clap = { version = "4", features = ["derive"] }
+dirs = "6"
+toml = "0.8"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 

crates/arcan-core/src/context.rs

@@ -372,7 +372,7 @@ mod tests {
             make_msg(Role::System, "sys"),
             make_msg(Role::User, "q1"),
             make_msg(Role::Assistant, "calling tool"),
-            ChatMessage::tool_result("call-1", &"x".repeat(500)),
+            ChatMessage::tool_result("call-1", "x".repeat(500)),
             make_msg(Role::User, "current"),
         ];
 

crates/arcan-core/src/context_compiler.rs

@@ -283,7 +283,7 @@ mod tests {
         let result = compile_context(&blocks, &config);
         // Should keep Persona (255) and Rules (200), drop Memory (50) and Retrieval (30)
         assert!(result.system_messages.len() <= 3);
-        assert!(result.dropped_blocks.len() >= 1);
+        assert!(!result.dropped_blocks.is_empty());
         // Persona should always be there
         assert!(
             result

crates/arcan-core/src/runtime.rs

@@ -699,11 +699,7 @@ mod tests {
         }
 
         fn execute(&self, call: &ToolCall, _ctx: &ToolContext) -> Result<ToolResult, CoreError> {
-            let value = call
-                .input
-                .get("value")
-                .cloned()
-                .unwrap_or_else(|| json!(null));
+            let value = call.input.get("value").cloned().unwrap_or(json!(null));
             Ok(ToolResult {
                 call_id: call.call_id.clone(),
                 tool_name: call.tool_name.clone(),

crates/arcan-provider/src/anthropic.rs

@@ -40,6 +40,45 @@ impl AnthropicConfig {
             base_url,
         })
     }
+
+    /// Create config from resolved CLI settings.
+    ///
+    /// API key is always read from env (never from config file).
+    /// Other settings use the provided overrides, falling back to env vars.
+    pub fn from_resolved(
+        model_override: Option<&str>,
+        base_url_override: Option<&str>,
+        max_tokens_override: Option<u32>,
+    ) -> Result<Self, CoreError> {
+        let api_key = std::env::var("ANTHROPIC_API_KEY").map_err(|_| {
+            CoreError::Provider("ANTHROPIC_API_KEY environment variable not set".to_string())
+        })?;
+
+        let model = model_override
+            .map(String::from)
+            .or_else(|| std::env::var("ANTHROPIC_MODEL").ok())
+            .unwrap_or_else(|| "claude-sonnet-4-5-20250929".to_string());
+
+        let max_tokens = max_tokens_override
+            .or_else(|| {
+                std::env::var("ANTHROPIC_MAX_TOKENS")
+                    .ok()
+                    .and_then(|s| s.parse().ok())
+            })
+            .unwrap_or(4096);
+
+        let base_url = base_url_override
+            .map(String::from)
+            .or_else(|| std::env::var("ANTHROPIC_BASE_URL").ok())
+            .unwrap_or_else(|| "https://api.anthropic.com".to_string());
+
+        Ok(Self {
+            api_key,
+            model,
+            max_tokens,
+            base_url,
+        })
+    }
 }
 
 /// Anthropic Messages API provider implementing the `Provider` trait.