huskies: done 475_refactor_deduplicate_lifecycle_rs_move_functions_into_a_shared_parameterised_helper

.huskies/work/5_done/475_refactor_deduplicate_lifecycle_rs_move_functions_into_a_shared_parameterised_helper.md

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+---
+name: "Deduplicate lifecycle.rs move functions into a shared parameterised helper"
+---
+
+# Refactor 475: Deduplicate lifecycle.rs move functions into a shared parameterised helper
+
+## Current State
+
+- TBD
+
+## Desired State
+
+The move_story_to_current, move_story_to_done, move_story_to_merge, move_story_to_qa, and reject_story_from_qa functions share the same pattern: build paths, check idempotency, find source file in one or more stages, rename, clear front matter fields, log. Extract a shared `move_story()` helper parameterised by source stages, target stage, and fields to clear. The named functions become thin wrappers. The existing `move_story_to_stage` function should also use this shared helper. 27 existing tests provide a safety net.
+
+## Acceptance Criteria
+
+- [ ] Single shared move_story helper function parameterised by source stages, target stage, and fields to clear
+- [ ] All existing named move functions (move_story_to_current, move_story_to_done, move_story_to_merge, move_story_to_qa, reject_story_from_qa) become thin wrappers
+- [ ] move_story_to_stage also delegates to the shared helper
+- [ ] All 27 existing tests pass unchanged
+- [ ] Net reduction of at least 150 lines from lifecycle.rs
+
+## Out of Scope
+
+- TBD