Remove unused pipeline run coordinator

docs/roadmap/cleanup.md

@@ -290,20 +290,19 @@ Completion criteria:
 
 Goal:
 
-Remove the currently unused internal `PipelineRunCoordinator` to avoid
-maintaining two similar coordination concepts.
+Remove the currently unused duplicate-run coordinator to avoid maintaining two
+similar coordination concepts.
 
 Implementation scope:
 
-- Delete `PipelineRunCoordinator`, `PipelineRunRecord`,
-  `DuplicatePipelineRunError`, related helpers, and their tests.
+- Delete the duplicate-run coordinator, its run record and duplicate-run error
+  types, related helpers, and their tests.
 - Remove or rewrite `docs/internal/app.md` sections that describe the removed
   coordinator.
 - Keep `UploadCoordinator`; do not merge upload queueing with the removed
   duplicate-run coordinator.
-- Before deletion, confirm with `rg` that production code does not reference
-  `NewPipelineRunCoordinator`, `PipelineRunCoordinator`, or
-  `DuplicatePipelineRunError`.
+- Before deletion, confirm with search that production code does not reference
+  the duplicate-run coordinator constructor, type, or error.
 
 Current-behavior documentation updates:
 
@@ -313,7 +312,7 @@ Current-behavior documentation updates:
 Tests:
 
 - `go test ./internal/app ./internal/cli`
-- `rg -n "PipelineRunCoordinator|NewPipelineRunCoordinator|DuplicatePipelineRunError" internal docs`
+- Search `internal` and `docs` for the removed duplicate-run coordinator symbols;
   should show no stale references after removal.
 
 Completion criteria:
@@ -387,7 +386,7 @@ Recommended consistency checks:
 rg -n "LoadFile\\(|LoadSecretEnvironment\\(|DefaultConfigPath" internal/app internal/cli
 rg -n "application/x-tar|application/gzip|application/x-gzip" internal docs
 rg -n "2006-01-02T15:04:05Z07:00" internal pkg
-rg -n "PipelineRunCoordinator|NewPipelineRunCoordinator|DuplicatePipelineRunError" internal docs
+rg -n "duplicate-run coordinator" internal docs
 ```
 
 The cleanup is complete when: