feat: add iii-coding worker

[rohitg00]

Summary

• Scaffold workers, generate functions/triggers, execute code with 6 functions
• Generates valid iii worker code for Rust, TypeScript, Python
• All through iii primitives: State, HTTP triggers
• 21 tests, 0 warnings

Functions

Function	Description
coding::scaffold	Generate complete worker project
coding::generate_function	Write a single function handler
coding::generate_trigger	Wire HTTP/cron/queue/subscribe trigger
coding::execute	Run code in subprocess with timeout
coding::test	Run tests for scaffolded worker
coding::deploy	Prepare deployment record

Test plan

• cargo test — 21 tests passing
• cargo check — 0 warnings

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

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Run ID: d8211871-5b92-4ee4-9075-d55ec51bb5aa

📥 Commits

Reviewing files that changed from the base of the PR and between e664259 and 496ef6f.

⛔ Files ignored due to path filters (1)

• coding/Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (16)

• coding/Cargo.toml
• coding/README.md
• coding/build.rs
• coding/config.yaml
• coding/src/config.rs
• coding/src/functions/deploy.rs
• coding/src/functions/execute.rs
• coding/src/functions/generate_function.rs
• coding/src/functions/generate_trigger.rs
• coding/src/functions/mod.rs
• coding/src/functions/scaffold.rs
• coding/src/functions/test.rs
• coding/src/main.rs
• coding/src/manifest.rs
• coding/src/state.rs
• coding/src/templates.rs

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/coding

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[rohitg00]

Heads up — main is being bumped to iii-sdk =0.11.3 in #33. When that lands, please rebase and bump this worker's pin (currently 0.11.0) to =0.11.3. Two 0.11.x deltas that may bite:

• iii-sdk no longer exposes an otel cargo feature — OTel is always-on. Drop features = ["otel"] if you use it.
• WorkerMetadata gained an isolation field. If you construct it as a struct literal, add ..Default::default() (or fill the field). iii-lsp hit this; see the fix in chore: bump iii-sdk to 0.11.3 across all workers #33.
• register_function(msg, handler) (two-arg) is now register_function_with(msg, handler); register_function is single-arg via IntoFunctionRegistration. image-resize hit this; see chore: bump iii-sdk to 0.11.3 across all workers #33.

Release notes: https://github.com/iii-hq/iii/releases/tag/iii/v0.11.3