add agent schemas

engine/packages/agent-schema/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "agent-schema"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+regress = "0.10"
+
+[build-dependencies]
+typify = "0.4"
+serde_json = "1.0"
+schemars = "0.8"
+prettyplease = "0.2"
+syn = "2.0"

engine/packages/agent-schema/build.rs

@@ -0,0 +1,54 @@
+use std::fs;
+use std::path::Path;
+
+fn main() {
+    let out_dir = std::env::var("OUT_DIR").unwrap();
+    let schema_dir = Path::new("../../dist");
+
+    let schemas = [
+        ("opencode", "opencode.json"),
+        ("claude", "claude.json"),
+        ("codex", "codex.json"),
+        ("amp", "amp.json"),
+    ];
+
+    for (name, file) in schemas {
+        let schema_path = schema_dir.join(file);
+
+        // Tell cargo to rerun if schema changes
+        println!("cargo:rerun-if-changed={}", schema_path.display());
+
+        if !schema_path.exists() {
+            eprintln!("Warning: Schema file not found: {}", schema_path.display());
+            // Write empty module
+            let out_path = Path::new(&out_dir).join(format!("{}.rs", name));
+            fs::write(&out_path, "// Schema not found\n").unwrap();
+            continue;
+        }
+
+        let schema_content = fs::read_to_string(&schema_path)
+            .unwrap_or_else(|e| panic!("Failed to read {}: {}", schema_path.display(), e));
+
+        let schema: schemars::schema::RootSchema = serde_json::from_str(&schema_content)
+            .unwrap_or_else(|e| panic!("Failed to parse {}: {}", schema_path.display(), e));
+
+        let mut type_space = typify::TypeSpace::default();
+
+        type_space
+            .add_root_schema(schema)
+            .unwrap_or_else(|e| panic!("Failed to process {}: {}", schema_path.display(), e));
+
+        let contents = type_space.to_stream();
+
+        // Format the generated code
+        let formatted = prettyplease::unparse(&syn::parse2(contents.clone()).unwrap_or_else(|e| {
+            panic!("Failed to parse generated code for {}: {}", name, e)
+        }));
+
+        let out_path = Path::new(&out_dir).join(format!("{}.rs", name));
+        fs::write(&out_path, formatted)
+            .unwrap_or_else(|e| panic!("Failed to write {}: {}", out_path.display(), e));
+
+        println!("cargo:warning=Generated {} types from {}", name, file);
+    }
+}

engine/packages/agent-schema/src/lib.rs

@@ -0,0 +1,76 @@
+//! Generated types from AI coding agent JSON schemas.
+//!
+//! This crate provides Rust types for:
+//! - OpenCode SDK
+//! - Claude Code SDK
+//! - Codex SDK
+//! - AMP Code SDK
+
+pub mod opencode {
+    //! OpenCode SDK types extracted from OpenAPI 3.1.1 spec.
+    include!(concat!(env!("OUT_DIR"), "/opencode.rs"));
+}
+
+pub mod claude {
+    //! Claude Code SDK types extracted from TypeScript definitions.
+    include!(concat!(env!("OUT_DIR"), "/claude.rs"));
+}
+
+pub mod codex {
+    //! Codex SDK types.
+    include!(concat!(env!("OUT_DIR"), "/codex.rs"));
+}
+
+pub mod amp {
+    //! AMP Code SDK types.
+    include!(concat!(env!("OUT_DIR"), "/amp.rs"));
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_claude_bash_input() {
+        let input = claude::BashInput {
+            command: "ls -la".to_string(),
+            timeout: Some(5000.0),
+            description: Some("List files".to_string()),
+            run_in_background: None,
+            simulated_sed_edit: None,
+            dangerously_disable_sandbox: None,
+        };
+
+        let json = serde_json::to_string(&input).unwrap();
+        assert!(json.contains("ls -la"));
+
+        let parsed: claude::BashInput = serde_json::from_str(&json).unwrap();
+        assert_eq!(parsed.command, "ls -la");
+    }
+
+    #[test]
+    fn test_codex_thread_event() {
+        let event = codex::ThreadEvent {
+            type_: codex::ThreadEventType::ThreadCreated,
+            thread_id: Some("thread-123".to_string()),
+            item: None,
+            error: serde_json::Map::new(),
+        };
+
+        let json = serde_json::to_string(&event).unwrap();
+        assert!(json.contains("thread.created"));
+    }
+
+    #[test]
+    fn test_amp_message() {
+        let msg = amp::Message {
+            role: amp::MessageRole::User,
+            content: "Hello".to_string(),
+            tool_calls: vec![],
+        };
+
+        let json = serde_json::to_string(&msg).unwrap();
+        assert!(json.contains("user"));
+        assert!(json.contains("Hello"));
+    }
+}