Centralize legacy document file saves

docs/modernization/roadmap.md

@@ -744,6 +744,12 @@ app-core new-document executor and `src/legacy_document_session_services.*`,
 preserving target overwrite prompts, legacy canvas resize/layer setup, history
 clearing, title updates, dirty/new-document flag mutation, and keyboard/dialog
 cleanup while retained execution remains tracked under `DEBT-0041`.
+`App::dialog_save` and `App::dialog_save_ver` now route accepted Save As and
+Save Version plans through app-core document file/version save executors and
+`src/legacy_document_session_services.*`, preserving overwrite prompts,
+legacy `Canvas::project_save`, app document field updates, title updates, and
+keyboard/dialog cleanup while retained execution remains tracked under
+`DEBT-0042`.
 
 Implementation tasks:
 
@@ -1299,6 +1305,15 @@ Results:
 - Focused new-document/session CTest coverage passed for
   `pp_app_core_document_session_tests`, `pano_cli_plan_new_document_*`, and
   `pano_cli_simulate_app_session_*` smoke tests after the live bridge split.
+- `PanoPainter`, `pp_app_core_document_session_tests`, and `pano_cli` built
+  after accepted Save As and Save Version execution moved behind document
+  file/version save services. A clean rebuild was required once because MSVC
+  reported the known Debug PDB `LNK1103` corruption, after which the build
+  passed.
+- Focused Save As/Version/session CTest coverage passed for
+  `pp_app_core_document_session_tests`, `pano_cli_plan_document_file_*`,
+  `pano_cli_plan_document_version_*`, and `pano_cli_simulate_app_session_*`
+  smoke tests after the live bridge split.
 - `pp_app_core_document_recording_tests` passed, covering recording start/stop,
   clear, platform recorded-file cleanup, frame-count reset, export progress
   totals, and oversized progress-total clamping.