Accept story 60: Status-Based Directory Layout

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.story_kit/work/2_current/60_story_status_based_directory_layout.md

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----
-name: Status-Based Directory Layout
-test_plan: pending
----
-
-# Story 60: Status-Based Directory Layout
-
-## User Story
-
-As a developer, I want work items organized by pipeline status rather than by type, with a unified naming convention, so the directory structure reflects what stage everything is at.
-
-## Current Layout (mixed)
-
-```
-.story_kit/
-  current/
-  stories/
-    upcoming/
-    archived/
-  bugs/
-    archive/
-  spikes/
-  specs/
-```
-
-## New Layout
-
-```
-.story_kit/
-  work/
-    1_upcoming/    ← all work items waiting to start
-    2_current/     ← being coded by agents
-    3_qa/          ← being reviewed by QA agent
-    4_merge/       ← being merged to master
-    5_archived/    ← done
-  specs/           ← long-lived project info (not a workflow stage)
-  worktrees/       ← agent worktrees (unchanged)
-  project.toml     ← config (unchanged)
-```
-
-The numbered `work/` subdirectories define the workflow pipeline. `ls` shows them in pipeline order. `specs/`, `worktrees/`, and `project.toml` are infrastructure outside the workflow.
-
-## Naming Convention
-
-All work items use: `{number}_{type}_{slug}.md`
-
-```
-work/1_upcoming/57_story_foo_bar_blah.md
-work/1_upcoming/58_spike_a_b_c.md
-work/1_upcoming/59_bug_flappapa.md
-```
-
-Types: `story`, `bug`, `spike`. The number is the primary identifier, auto-incremented across all types. You say "story 57", "bug 59", etc.
-
-## Acceptance Criteria
-
-- [ ] Create `work/` directory with numbered subdirectories: `1_upcoming`, `2_current`, `3_qa`, `4_merge`, `5_archived`
-- [ ] Migrate existing `stories/upcoming/` → `work/1_upcoming/`, renaming files to include `_story_` type prefix
-- [ ] Migrate existing `stories/archived/` → `work/5_archived/`, renaming files to include `_story_` type prefix
-- [ ] Migrate existing `current/` contents → `work/2_current/`
-- [ ] Migrate existing `bugs/` → `work/5_archived/` (for closed) or `work/1_upcoming/` (for open), renaming to include `_bug_` type prefix
-- [ ] Remove old `stories/`, `bugs/`, `current/` directories
-- [ ] `create_story`, `create_bug` MCP tools use the new naming convention and write to `work/1_upcoming/`
-- [ ] `start_agent` moves from `work/1_upcoming/` to `work/2_current/`
-- [ ] `accept_story` and `close_bug` move from `work/2_current/` to `work/5_archived/`
-- [ ] `find_story_file()` and all path references updated to search `work/` status dirs
-- [ ] `next_story_number()` scans all `work/` status dirs for the highest number across all types
-- [ ] All agent prompts in `project.toml` updated to reference `work/` paths
-- [ ] All existing tests updated for new paths
-- [ ] Integration test: full lifecycle through `1_upcoming` → `2_current` → `5_archived`
-
-## Supersedes
-
-- Story 51 (Deterministic Spike Lifecycle) — folded into this story's naming convention
-
-## Out of Scope
-
-- QA and merge pipeline automation (just create the empty directories)
-- Frontend changes to reflect new layout
-- Spike-specific MCP tools (create_spike, archive_spike) — follow-up