export: export run writes selected kb/ pages as a derived, read-only version into configured target folders (markdown and command handlers, manifest, after_publish), raw accept also refuses manifest-listed files, doctor checks the section (#214); 10.0.0-beta.13

Files changed:
- CHANGES.md
- VERSION
- docs/how-to/README.md
- docs/how-to/back-up-to-a-synced-folder.md
- docs/how-to/collect-from-a-synced-folder.md
- docs/how-to/export-guidelines.md
- docs/how-to/export-to-a-synced-folder.md
- docs/reference/commands/README.md
- docs/reference/commands/exports.md
- docs/reference/commands/git.md
- docs/reference/commands/guideline-export.md
- docs/reference/commands/instance-health.md
- docs/reference/commands/raw-material-and-uploads.md
- docs/reference/configuration.md
- docs/reference/exit-codes.md
- instructions/setup-instance.md
- raw/CONTRACT.md
- tools/CONTRACT.md
- tools/README.md
- tools/chemenu/backup.py
- tools/chemenu/cli_contract.py
- tools/chemenu/commands/doctor.py
- tools/chemenu/commands/export_cmd.py
- tools/chemenu/commands/git_publish.py
- tools/chemenu/commands/raw/_common.py
- tools/chemenu/commands/raw/accept.py
- tools/chemenu/commands/raw/capture.py
- tools/chemenu/config_shapes.py
- tools/chemenu/guideline_export.py
- tools/chemenu/page_export.py
- tools/chemenu/reference_doc.py
- tools/chemenu/repo_capture.py
- tools/chemenu/tests/test_config_shapes.py
- tools/chemenu/tests/test_export_run.py

Co-Authored-By: Claude Code <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SnAJ7Z3CpVD3PRbN73QtU2

tools/README.md

@@ -132,7 +132,8 @@ tools/
     filters/               the import filters behind `raw derive`: a registry (`__init__.py`) and one module per format family (HTML, mail, Outlook MSG, Office, PDF, ZIP), each registering the extensions it reads - standard library, or a package imported lazily so a missing one fails only its own format
     backup.py              `backup init`/`backup run`'s core and the step `publish` runs after a push: the bare repository under `<target>/git`, the machine-data mirror under `<target>/<machine>/` with its manifest, and which synced folders `doctor` knows
     repo_capture.py        `raw capture`/`raw status`'s core: resolve a ref rule, fetch it into a bare cache, select files by glob as blobs, the `_capture.json` manifest - git with the host's credentials, never a prompt; plus the one write back, a single-file commit pushed without force for `export guidelines`
-    guideline_export.py    `export guidelines`' core: select pages by `search` predicates, render them into one deterministic GUIDELINES.md, and recognise an export again (`EXPORT_MARKER`) - with no CLI attached
+    guideline_export.py    `export guidelines`' core: select pages by `search` predicates, render them into one deterministic GUIDELINES.md, and recognise an export again (`is_export`, for both the guideline comment line and the page frontmatter key) - with no CLI attached
+    page_export.py         `export run`'s core and the step `publish` runs after a commit: the `export` section, rendering selected pages as Markdown, the target folder with its manifest, and the converter handler - with no CLI attached
     search/                pluggable search backends, plus service.py - the search core
     tasks/                 the task-tracker provider layer: protocol.py (TaskReader/TaskWriter), config.py (the tracker sections of the settings), one module per adapter - no instruction ever learns which provider it is
     commands/              one module per command or command group: the terminal adapters - except `raw/`, a package with one module per subcommand and the helpers several of them share in `_common.py`