refactor(rust): Move to a more typical rust lib setup (#299)

Author: benbrandt

AGENTS.md

@@ -2,7 +2,7 @@ All paths in the protocol should be absolute
 
 ## Adding new methods
 
-- Create empty params and output structs in rust/client.rs or rust/agent.rs under the corresponding section. I'll add the fields myself.
+- Create empty params and output structs in src/client.rs or src/agent.rs under the corresponding section. I'll add the fields myself.
 - If the protocol method name is `noun/verb`, use `verb_noun` for the user facing methods and structs.
 
   Example 1 (`noun/noun`):
@@ -20,7 +20,7 @@ All paths in the protocol should be absolute
 - Do not write any tests or docs at all!
 - Add constants for the method names
 - Add variants to {Agent|Client}{Request|Response} enums
-- Add the methods to the Client/Agent impl of {Agent|Client}SideConnection in rust/acp.rs
+- Add the methods to the Client/Agent impl of {Agent|Client}SideConnection in src/acp.rs
 - Handle the new method in the `Side::decode_request`/`Side::decode_notification` implementation
 - Handle the new request in the blanket impl of MessageHandler<{Agent|Client}Side>
 - Add the method to markdown_generator.rs SideDocs functions

Cargo.toml

@@ -11,19 +11,16 @@ documentation = "https://docs.rs/agent-client-protocol-schema"
 readme = "README.md"
 keywords = ["agent", "client", "protocol", "ai", "editor"]
 categories = ["development-tools", "api-bindings"]
-include = ["/rust/**/*.rs", "/README.md", "/LICENSE", "/Cargo.toml"]
+include = ["/src/**/*.rs", "/README.md", "/LICENSE", "/Cargo.toml"]
 
 [features]
 unstable = ["unstable_session_model", "unstable_session_list"]
 unstable_session_model = []
 unstable_session_list = []
 
-[lib]
-path = "rust/acp.rs"
-
 [[bin]]
 name = "generate"
-path = "rust/bin/generate.rs"
+path = "src/bin/generate.rs"
 
 [dependencies]
 anyhow = "1"

docs/rfds/session-list.mdx

@@ -188,7 +188,7 @@ Agents that implement this feature gain:
 
 ### Phase 2: Reference Implementation
 
-3. **Implement in Rust SDK** (`rust/agent.rs` and `rust/client.rs`):
+3. **Implement in Rust SDK** (`src/agent.rs` and `src/client.rs`):
    - Add `list_sessions` method to agent trait
    - Provide default implementation (empty list) for agents without persistence
    - Add client method to call `session/list`

package.json

@@ -21,8 +21,8 @@
   ],
   "type": "module",
   "scripts": {
-    "generate:json-schema": "cd rust && cargo run --bin generate",
-    "generate:json-schema:unstable": "cd rust && cargo run --bin generate --features unstable",
+    "generate:json-schema": "cargo run --bin generate",
+    "generate:json-schema:unstable": "cargo run --bin generate --features unstable",
     "generate": "npm run generate:json-schema && npm run generate:json-schema:unstable && npm run format",
     "format": "prettier --write . && cargo fmt",
     "format:check": "prettier --check . && cargo fmt -- --check",