[I] refactor(runtime-host): decompose execution-composition.ts (1840 lines, 40+ imports) [maka]

["0xMudit (via GitHub)" <gi...@apache.org>]

0xMudit opened a new issue, #3911:
URL: https://github.com/apache/maka/issues/3911

   ## Summary
   
   `packages/runtime-host/src/server/execution-composition.ts` (1,840 lines) is the single composition root that wires 40+ runtime imports. Every new runtime module extracted or renamed requires editing this file, creating a maintenance bottleneck.
   
   ## Evidence
   
   - `packages/runtime-host/src/server/execution-composition.ts:31-100` — imports 40+ symbols from `@maka/runtime/*` sub-exports in one file
   - The file wires SessionManager, BackendRegistry, tools, sandboxes, filesystem workers, agent graph, goals, skills, and more
   - Changes to any runtime module often require corresponding edits here
   
   ## Proposed Decomposition
   
   Split into domain-specific composition files:
   1. **`tool-composition.ts`** — tool registration and tool pipeline wiring
   2. **`agent-graph-composition.ts`** — agent graph scheduling and coordination
   3. **`sandbox-composition.ts`** — sandbox boundary and filesystem worker wiring
   4. **`history-composition.ts`** — history compaction and event log wiring
   5. **`execution-composition.ts`** — orchestration that composes the above
   
   Each domain composition would be a function that receives the kernel and returns its configured subsystem.
   
   ## Acceptance Criteria
   
   - [ ] `execution-composition.ts` is under 500 lines
   - [ ] Each domain composition is independently testable
   - [ ] No new cross-module cycles introduced
   - [ ] All existing tests pass
   - [ ] Runtime Host boot sequence is unchanged
   
   ## Labels
   
   refactor, help wanted
   


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Re: [I] refactor(runtime-host): decompose execution-composition.ts (1840 lines, 40+ imports) [maka]

["WangzJi (via GitHub)" <gi...@apache.org>]

WangzJi commented on issue #3911:
URL: https://github.com/apache/maka/issues/3911#issuecomment-5477072584

   take


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