chore: remove unused workers and prune CI/registry

[ytallo]

Summary

• Delete 12 worker folders no longer in scope: a2a, a2a-client, agent, coding, conductor, eval, experiment, guardrails, introspect, llm-router, mcp-client, shell
• Trim registry/index.json to the surviving workers: image-resize, iii-lsp, mcp, todo-worker, todo-worker-python
• Prune .github/workflows/create-tag.yml worker choices and .github/workflows/release.yml tag triggers to match
• Update README.md modules table and binary releases list

Test plan

• CI green on this PR (per-worker lint/tests still discover surviving workers via iii.worker.yaml)
• Create Tag workflow dropdown shows only the kept workers
• registry/index.json parses and contains only the kept workers
• No orphan references to deleted workers in .github/, registry/, or README.md

[coderabbitai]

Important

Review skipped

Too many files!

This PR contains 192 files, which is 42 over the limit of 150.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 6a591ac5-3900-4cc6-b4f8-9a0ba1061261

📥 Commits

Reviewing files that changed from the base of the PR and between d63ba28 and aae66e0.

⛔ Files ignored due to path filters (8)

• a2a-client/Cargo.lock is excluded by !**/*.lock
• a2a/Cargo.lock is excluded by !**/*.lock
• coding/Cargo.lock is excluded by !**/*.lock
• experiment/Cargo.lock is excluded by !**/*.lock
• guardrails/Cargo.lock is excluded by !**/*.lock
• introspect/Cargo.lock is excluded by !**/*.lock
• mcp-client/Cargo.lock is excluded by !**/*.lock
• shell/Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (192)

• .github/workflows/create-tag.yml
• .github/workflows/release.yml
• README.md
• a2a-client/.gitignore
• a2a-client/Cargo.toml
• a2a-client/README.md
• a2a-client/iii.worker.yaml
• a2a-client/src/lib.rs
• a2a-client/src/main.rs
• a2a-client/src/registration.rs
• a2a-client/src/session.rs
• a2a-client/src/task.rs
• a2a-client/src/types.rs
• a2a-client/tests/roundtrip.rs
• a2a/Cargo.toml
• a2a/README.md
• a2a/examples/default-secure-auth.rs
• a2a/iii.worker.yaml
• a2a/src/handler.rs
• a2a/src/lib.rs
• a2a/src/main.rs
• a2a/src/streaming.rs
• a2a/src/types.rs
• a2a/tests/agent_card.rs
• a2a/tests/protocol_loop_guard.rs
• a2a/tests/streaming.rs
• agent/.gitignore
• agent/Cargo.toml
• agent/README.md
• agent/build.rs
• agent/config.yaml
• agent/iii.worker.yaml
• agent/src/config.rs
• agent/src/discovery.rs
• agent/src/functions/chat.rs
• agent/src/functions/chat_stream.rs
• agent/src/functions/discover.rs
• agent/src/functions/mod.rs
• agent/src/functions/plan.rs
• agent/src/functions/session.rs
• agent/src/llm.rs
• agent/src/main.rs
• agent/src/manifest.rs
• agent/src/state.rs
• coding/Cargo.toml
• coding/README.md
• coding/build.rs
• coding/config.yaml
• coding/iii.worker.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
• conductor/.gitignore
• conductor/CHANGELOG.md
• conductor/Cargo.toml
• conductor/README.md
• conductor/iii.worker.yaml
• conductor/src/agents.rs
• conductor/src/dispatch.rs
• conductor/src/gates.rs
• conductor/src/git.rs
• conductor/src/lib.rs
• conductor/src/main.rs
• conductor/src/state.rs
• conductor/src/types.rs
• conductor/tests/merge.rs
• eval/.gitignore
• eval/Cargo.toml
• eval/README.md
• eval/build.rs
• eval/config.yaml
• eval/iii.worker.yaml
• eval/src/config.rs
• eval/src/functions/analyze.rs
• eval/src/functions/baseline.rs
• eval/src/functions/drift.rs
• eval/src/functions/ingest.rs
• eval/src/functions/metrics.rs
• eval/src/functions/mod.rs
• eval/src/functions/report.rs
• eval/src/functions/score.rs
• eval/src/functions/state.rs
• eval/src/main.rs
• eval/src/manifest.rs
• experiment/Cargo.toml
• experiment/README.md
• experiment/build.rs
• experiment/config.yaml
• experiment/iii.worker.yaml
• experiment/src/config.rs
• experiment/src/functions/create.rs
• experiment/src/functions/decide.rs
• experiment/src/functions/loop_run.rs
• experiment/src/functions/mod.rs
• experiment/src/functions/propose.rs
• experiment/src/functions/run.rs
• experiment/src/functions/status.rs
• experiment/src/functions/stop.rs
• experiment/src/main.rs
• experiment/src/manifest.rs
• experiment/src/state.rs
• experiment/tests/manifest.rs
• guardrails/Cargo.toml
• guardrails/README.md
• guardrails/build.rs
• guardrails/config.yaml
• guardrails/iii.worker.yaml
• guardrails/src/checks.rs
• guardrails/src/config.rs
• guardrails/src/functions/check_input.rs
• guardrails/src/functions/check_output.rs
• guardrails/src/functions/classify.rs
• guardrails/src/functions/mod.rs
• guardrails/src/main.rs
• guardrails/src/manifest.rs
• guardrails/src/state.rs
• introspect/Cargo.toml
• introspect/README.md
• introspect/build.rs
• introspect/config.yaml
• introspect/iii.worker.yaml
• introspect/src/config.rs
• introspect/src/functions/diagram.rs
• introspect/src/functions/explain.rs
• introspect/src/functions/functions.rs
• introspect/src/functions/health.rs
• introspect/src/functions/mod.rs
• introspect/src/functions/state.rs
• introspect/src/functions/topology.rs
• introspect/src/functions/trace.rs
• introspect/src/functions/triggers.rs
• introspect/src/functions/workers.rs
• introspect/src/main.rs
• introspect/src/manifest.rs
• introspect/tests/manifest.rs
• llm-router/.gitignore
• llm-router/Cargo.toml
• llm-router/README.md
• llm-router/build.rs
• llm-router/config.yaml
• llm-router/iii.worker.yaml
• llm-router/src/config.rs
• llm-router/src/functions/ab.rs
• llm-router/src/functions/classify.rs
• llm-router/src/functions/decide.rs
• llm-router/src/functions/health.rs
• llm-router/src/functions/mod.rs
• llm-router/src/functions/model.rs
• llm-router/src/functions/policy.rs
• llm-router/src/functions/stats.rs
• llm-router/src/main.rs
• llm-router/src/manifest.rs
• llm-router/src/router.rs
• llm-router/src/state.rs
• llm-router/src/types.rs
• llm-router/tests/routing_request_envelope.rs
• mcp-client/Cargo.toml
• mcp-client/README.md
• mcp-client/iii.worker.yaml
• mcp-client/src/lib.rs
• mcp-client/src/main.rs
• mcp-client/src/registration.rs
• mcp-client/src/session.rs
• mcp-client/src/transport.rs
• mcp-client/src/types.rs
• mcp-client/tests/roundtrip.rs
• registry/index.json
• shell/Cargo.toml
• shell/README.md
• shell/build.rs
• shell/config.yaml
• shell/iii.worker.yaml
• shell/src/config.rs
• shell/src/exec.rs
• shell/src/functions/exec.rs
• shell/src/functions/exec_bg.rs
• shell/src/functions/kill.rs
• shell/src/functions/list.rs
• shell/src/functions/mod.rs
• shell/src/functions/status.rs
• shell/src/jobs.rs
• shell/src/main.rs
• shell/src/manifest.rs

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