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diff --git a/docs/design/2026-07-10-org-module-ownership.org b/docs/design/2026-07-10-org-module-ownership.org new file mode 100644 index 00000000..5717b66f --- /dev/null +++ b/docs/design/2026-07-10-org-module-ownership.org @@ -0,0 +1,138 @@ +#+TITLE: Org module ownership and load boundaries +#+AUTHOR: Craig Jennings +#+DATE: 2026-07-10 + +* Why this note exists + +The Org workflow is spread across sixteen modules with overlapping +responsibilities. The code works. What's missing is a map: which module owns which +behavior, what each one adds to a shared variable, and in what order they load. + +Future load-order work needs that map. Four modules add capture templates, four +touch =org-agenda-files=, and five register org-protocol handlers. None of that is +wrong, but none of it is written down either, so the only way to answer "who sets +this?" is to grep. + +This is a description of what is, not a proposal. Where the map turned up something +that looks like a defect, it's flagged at the bottom rather than fixed here. + +* The modules + +Every Org module declares =Layer=, =Category=, and =Load shape= in its commentary +header. The layer numbers below come from those headers, not from this note. + +| Module | Layer | Owns | +|------------------------------+-------+---------------------------------------------------------| +| =org-faces-config.el= | 2 | Agenda keyword and priority faces, plus their -dim | +| | | variants for unfocused windows | +|------------------------------+-------+---------------------------------------------------------| +| =org-config.el= | 3 | Base org-mode settings, the org keymap, tag alignment | +|------------------------------+-------+---------------------------------------------------------| +| =org-agenda-config.el= | 3 | Agenda views, task tracking, notifications; loads | +| | | =org-agenda-config-debug= on demand | +|------------------------------+-------+---------------------------------------------------------| +| =org-capture-config.el= | 3 | The base capture templates and their dispatch keys | +|------------------------------+-------+---------------------------------------------------------| +| =org-refile-config.el= | 3 | Refile targets and the cached target list | +|------------------------------+-------+---------------------------------------------------------| +| =org-roam-config.el= | 3 | Roam database, capture, and its agenda-file additions | +|------------------------------+-------+---------------------------------------------------------| +| =org-contacts-config.el= | 3 | Contacts storage and its capture template | +|------------------------------+-------+---------------------------------------------------------| +| =org-babel-config.el= | 3 | Source-block languages and tempo templates | +|------------------------------+-------+---------------------------------------------------------| +| =org-export-config.el= | 3 | Export backends and their defaults | +|------------------------------+-------+---------------------------------------------------------| +| =org-spec-links.el= | 3 | Resolves =[[id:]]= links into project spec docs | +|------------------------------+-------+---------------------------------------------------------| +| =hugo-config.el= | 3 | ox-hugo blog publishing (=C-; h=) | +|------------------------------+-------+---------------------------------------------------------| +| =org-drill-config.el= | 4 | Spaced repetition, its own refile targets | +|------------------------------+-------+---------------------------------------------------------| +| =org-noter-config.el= | 4 | PDF and EPUB annotation | +|------------------------------+-------+---------------------------------------------------------| +| =org-reveal-config.el= | 4 | reveal.js presentations (=C-; p=) | +|------------------------------+-------+---------------------------------------------------------| +| =org-webclipper.el= | 4 | org-protocol web clipping into roam | +|------------------------------+-------+---------------------------------------------------------| +| =quick-video-capture.el= | 4 | Video download via an org-protocol bookmark | +|------------------------------+-------+---------------------------------------------------------| + +* Shared variables and who writes to them + +This is the part grep answers slowly and a table answers fast. Each of these +variables is appended to by more than one module. + +** =org-capture-templates= — four writers + +=org-capture-config.el= establishes the base set. =org-contacts-config.el=, +=org-webclipper.el=, and =quick-video-capture.el= each append their own. Dispatch +keys must not collide across all four, which is why +=tests/test-org-capture-templates-integrity.el= exists: it loads the cleanly +loadable capture modules, applies their additions, and asserts no two templates +share a key. + +That test is the enforcement mechanism for a boundary no single module can see. + +** =org-agenda-files= — four writers + +=org-agenda-config.el= sets the base list. =org-roam-config.el= adds roam files. +=config-utilities.el= manipulates it, and =org-agenda-config-debug.el= reads it for +diagnostics. + +** org-protocol handlers — five registrars + +=org-config.el=, =org-capture-config.el=, =org-drill-config.el=, +=org-webclipper.el=, and =quick-video-capture.el= all touch org-protocol. The +handlers are keyed by protocol name, so collisions are possible in principle and +nothing checks for them today. + +** =org-refile-targets= — two writers + +=org-refile-config.el= owns the general targets. =org-drill-config.el= adds its +own, because drill files are refile destinations but not agenda files. + +* Load order + +=init.el= loads the Org stack at lines 130 through 145, in this order: base config, +faces, agenda, babel, capture, contacts, drill, export, hugo, reveal, refile, roam, +spec-links, webclipper, noter. + +The order is deliberate in two places. =org-config= precedes everything because it +establishes the keymap the rest bind into. =org-faces-config= precedes +=org-agenda-config= because the agenda renders with those faces. + +One module sits outside that block. =quick-video-capture.el= loads at line 106, +twenty-four lines before =org-config=, because it is grouped with the media modules +rather than the Org modules. It nonetheless appends to =org-capture-templates=. It +works because the append is a plain =add-to-list= against a variable org-mode has +not yet claimed, but the grouping means a reader looking for "who adds capture +templates" in the Org block will not find it. + +* Load shape + +Every Org module declares =Load shape: eager=. Nothing in the Org stack defers. + +This is the single largest fact about the Org workflow's startup cost, and it is +worth stating plainly rather than leaving implicit across sixteen headers. Layer-4 +modules (drill, noter, reveal, webclipper, video capture) are optional features by +their own classification, and all five load eagerly on every launch. + +Whether that matters is a measurement question, not an argument, and this note does +not make it. It records the fact so the question can be asked. + +* Observations for follow-up + +These turned up while mapping. None is fixed here. + +1. =modules/org-config.el.faces.bak= is tracked in git (25KB). It appears to be a + leftover from the 2026-06-14 face-stripping work. A =.bak= file in =modules/= + is not loaded, but it is on the load-path's directory and will confuse the next + reader. +2. =org-agenda-config-debug.el= carries no =Layer= / =Category= / =Load shape= + header, unlike every other module. It loads conditionally from + =org-agenda-config.el:42= when =cj/debug-modules= names it, so its absence from + =init.el= is by design, not an orphan. +3. Nothing checks org-protocol handler collisions the way the capture-template test + checks key collisions. Five modules register handlers. +4. Every Layer-4 Org module loads eagerly despite being classified optional. |