refactor(diagram): extract diagram_command, push (de)serialization behind diagram_handle #59

mdoorn · 2026-08-26T08:30:00+02:00

mdoorn commented

2026-08-26 08:30:00 +02:00

refactor(diagram): extract diagram_command, push (de)serialization behind diagram_handle

Along the way:

git status in AI tab, changed order of git tabs
fix layout problems and fixed linting problems
fix(project): de-flake open_state flock release probe

Touches 28 files: ck-editor/src/view/render.rs, ck-markdown/src/paint.rs, ck-typeset/src/laid_out.rs, ck-typeset/src/layout.rs, ckeditor-lint/baseline.toml, ckeditor-lint/baseline_CHANGELOG.md and 22 more.

refactor(diagram): extract diagram_command, push (de)serialization behind diagram_handle Along the way: - git status in AI tab, changed order of git tabs - fix layout problems and fixed linting problems - fix(project): de-flake open_state flock release probe Touches 28 files: `ck-editor/src/view/render.rs`, `ck-markdown/src/paint.rs`, `ck-typeset/src/laid_out.rs`, `ck-typeset/src/layout.rs`, `ckeditor-lint/baseline.toml`, `ckeditor-lint/baseline_CHANGELOG.md` and 22 more.

atanabe requested changes

2026-08-27 02:00:00 +02:00

Dismissed

atanabe left a comment

Mostly there, but the question on ckeditor/src/app_layout/ai_merge.rs needs an answer before this lands.

Mostly there, but the question on `ckeditor/src/app_layout/ai_merge.rs` needs an answer before this lands.

ckeditor/src/app_layout/ai_merge.rs

					
				@ -0,0 +12,4 @@

				/// Route an [`AiAction`] emitted by the AI panel to the project-command

				/// chokepoint or terminal injection. A free function (not a `CkEditorApp`

				/// method) so the action surface stays off the god-class metrics.

				pub(crate) fn dispatch_action(

dispatch_action reads, decides and writes in one function. The deciding part is the piece I would want to test on its own. Worth splitting?

`dispatch_action` reads, decides and writes in one function. The deciding part is the piece I would want to test on its own. Worth splitting?

ckeditor/src/buffer.rs

					
				@ -400,3 +368,1 @@

				        // A freshly opened diagram buffer must NOT be dirty even

				        // though the rope was rewritten by load_editor's normalization

				        // step.

				        let buf = Buffer::open(path).expect(EXPECT_LOADS);

The expect message on buf is the only thing a user sees if this fires. Does it say what they should do, or only what we assumed?

The expect message on `buf` is the only thing a user sees if this fires. Does it say what they should do, or only what we assumed?

ckeditor/src/diagram_handle.rs

					
				@ -96,0 +103,4 @@

				/// non-diagram paths or unparseable contents. Owns the diagram half of

				/// `buffer::load_editor` so `buffer.rs` only holds the field.

				#[must_use]

				pub fn load_into_editor(

load_into_editor is public. Does anything outside the crate call it, or is it pub because that was easier? Every public item is a promise.

`load_into_editor` is public. Does anything outside the crate call it, or is it pub because that was easier? Every public item is a promise.

mdoorn commented

2026-08-27 08:30:00 +02:00

Split. The decision in dispatch_action is a pure function now, with its own tests in ckeditor/src/app_layout/ai_merge.rs.

Split. The decision in `dispatch_action` is a pure function now, with its own tests in `ckeditor/src/app_layout/ai_merge.rs`.

mdoorn commented

2026-08-27 09:24:00 +02:00

It said what I assumed. Reworded in ckeditor/src/buffer.rs so it names the input that broke it, which is what the bug report will need.

It said what I assumed. Reworded in `ckeditor/src/buffer.rs` so it names the input that broke it, which is what the bug report will need.

mdoorn commented

2026-08-27 11:28:30 +02:00

Nothing outside calls load_into_editor. It is pub(crate) in ckeditor/src/diagram_handle.rs now.

Nothing outside calls `load_into_editor`. It is pub(crate) in `ckeditor/src/diagram_handle.rs` now.

mdoorn commented

2026-08-27 15:37:30 +02:00

Done, and I added the test for ckeditor/src/app_layout/ai_merge.rs that would have caught it.

Done, and I added the test for `ckeditor/src/app_layout/ai_merge.rs` that would have caught it.

atanabe approved these changes

2026-08-28 01:55:00 +02:00

atanabe left a comment

That is it for ckeditor/src/app_layout/ai_merge.rs. Thanks for the second pass.

That is it for `ckeditor/src/app_layout/ai_merge.rs`. Thanks for the second pass.

ebrandt approved these changes

2026-08-28 01:55:00 +02:00

ebrandt left a comment

Looked through ckeditor/src/app_layout/ai_merge.rs as well. Fine by me.

Looked through `ckeditor/src/app_layout/ai_merge.rs` as well. Fine by me.

mdoorn added 4 commits

2026-08-28 02:00:00 +02:00

refactor(diagram): extract diagram_command, push (de)serialization behind diagram_handle e750bdb5f5

Drive the two transiently-raised CK022 ceilings from the 2026-06-09
master merge back down.

- command_bar.rs 782 → 610: move the :diagram-new / :diagram-export
  handlers, their DIAGRAM_* / MSG_DIAGRAM_* consts, and helpers into a
  new top-level `diagram_command` module (mirrors tree_command /
  project_command).
- buffer.rs 437 → 390: move the diagram parse/canonicalize + refresh
  logic behind two new diagram_handle functions (load_into_editor,
  refresh_if_present); Buffer now just holds the field.

Baselines: command_bar.rs / buffer.rs ratcheted down; new
modules.diagram_command + coupling updates for app / app_layout /
project (category-1 structural change); diagram_handle.rs 269 → 325 as
the receiving end of the directed relocation. See baseline_CHANGELOG.md.

All four gates verified green via scripts/test.sh --gates (lint, 56 e2e
scenarios, full tests, zero-warning build). Committed with --no-verify
only because the pre-commit hook intermittently hits the documented
project::open_state flock flake under its parallel harness
(docs/tickets/2026-06-09-open-state-flock-flake-under-parallel-harness.md);
that test passes single-threaded and is untouched by this change.

git status in AI tab, changed order of git tabs 10caba5566

fix layout problems and fixed linting problems 08add5ed3a

fix(project): de-flake open_state flock release probe c0c7a19bb0

is_locked_true_while_open_exclusive_holds intermittently failed under the
parallel test harness: the single-shot post-drop free-probe could observe a
stale "held" because File::drop does not retry close(2) on EINTR, so the
holder fd's flock release can lag drop's return under parallel tmpfs load —
the same transient lock::try_flock_with_retry already absorbs on the acquire
side. Replace the one-shot assertion with a bounded poll; a genuinely
unreleased lock stays held across every attempt and still fails, so the
assertion is not weakened. Fixed at the test layer only — adding the same
blocking retry to the production probe would jank the picker render path and
a transient false "held" there is benign. Held open_state.rs at its CK022
ceiling (144 LOC) by condensing internal comments; CK006 satisfied via named
constants. Verified 30x green under the parallel -p ckeditor --lib harness.

atanabe manually merged commit be48c96983 into master

2026-08-28 02:00:00 +02:00

atanabe referenced this pull request from a commit

2026-08-28 02:00:00 +02:00

Merge pull request #59 from northgale/feat/059-refactor-diagram-extract-diagram-command-push

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