138 lines
6.1 KiB
Markdown
138 lines
6.1 KiB
Markdown
# pmacs roadmap — July 2026
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Date: 2026-07-07. Produced from a five-way codebase/docs/memory sweep
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(core editing + persistence, LSP surface, GPU parity, extensibility +
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terminal, deferred-work inventory across all framing docs).
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**Decision (2026-07-07): push Arc 1 (LSP utility surface), with Arc 2
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(editing table stakes) items interleaved between sub-arcs.**
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---
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## State assessment (as of main @ ccb0ff6, protocol v14)
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**Strong.** CRDT multi-frontend core; both frontends at near input/render
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parity (GPU exceeds TUI: minimap, wavy squiggles); LSP data layer — 13
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language ids / ~8 servers, rename + cross-file definition + formatting
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fully working, semantic tokens + inlay hints rendering; package manager
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(git installs, lockfile, resolver, SHA-256 hardening); MCP client; async
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worker + PTY subprocess substrate; bundled line-oriented REPL package;
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headless GPU render CI; help system; buffer-list UI; atomic save;
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persisted minibuffer history.
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**Dark matter — built but unwired (highest leverage).**
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- Complete completion framework (`src/completion_framework.rs`:
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providers for lsp/snippets/project-symbols/dabbrev; store;
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`CompletionView` popup in `src/completion.rs`) — **no keybinding, no
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typed-char trigger, popup never instantiated, no GPU message.**
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- `HoverView` (`src/hover.rs`), `SignatureView` (`src/signature.rs`),
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document-highlight store — plumbing only. Hover / signature /
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references / document-symbols surface as one-line modeline summaries
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(`builtin/runtime/lsp.lua` marks each "future UX work").
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- Code actions apply the **first** action blindly — no picker.
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- Semantic-token pull is refresh/manual-only (no pull on attach/edit) —
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semantic styling can silently never appear. Arguably a bug.
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- Wire-declared but unproduced protocol families: `FoldState`,
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`BlockAdornments`, `ResourceOffer` (no fold engine / blame / diff
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source).
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**Absent.** Query-replace, kill ring (single slot only), keyboard
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macros, rectangles, registers, comment/uncomment, auto-indent,
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snippets, auto-pairing; desktop-save/session restore, recentf,
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saveplace, autosave, backups, crash recovery; theming beyond syntax
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captures (all chrome hardcoded per-frontend; GPU font hardcoded);
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terminal emulation (`src/ansi.rs` parses but discards alt-screen /
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cursor addressing — no grid/scrollback); compile/grep/shell-command
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modes; DAP debugging; GPU splits / multi-buffer / auto-reconnect.
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---
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## Arcs, ranked by value-per-effort
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### Arc 1 — LSP utility surface: "light up the dark matter" ← ACTIVE
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Data layer is done; only UI is missing.
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- **1a. In-buffer completion popup** (first). Trigger on typing,
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TAB/RET accept, both frontends. GPU needs a wire message — mirror the
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minibuffer-dropdown pattern (protocol v12). Framework + popup view
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already exist.
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- **1b. Panels**: hover popup, code-action picker, references list,
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document-symbol outline. Generalize the buffer-list UI pattern
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(`*buffer-list*` buffer-local bindings) into a reusable list-buffer
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idiom.
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- **1c. Semantic-token auto-pull fix** (small): pull on attach + on
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edit-flush, like inlay hints already do.
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- **1d. Signature-help auto-trigger** on `(`.
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### Arc 2 — Editing table stakes (interleave with Arc 1)
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Each small, core-only, frontend-agnostic: query-replace (isearch
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exists; `search.rs` has no replace API), real kill ring + `M-y`,
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comment/uncomment, auto-indent on newline, auto-pairing.
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### Arc 3 — Persistence/serialization
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Desktop-save (buffer set + layout + cursors → restore), recentf,
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saveplace, autosave + crash recovery, optional backups. Generalize the
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`$XDG_STATE_HOME/pmacs/` pattern from minibuffer history. Framing
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question: what is a "session" in a daemon world; do CRDT snapshots
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ride along.
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### Arc 4 — Themes + extensibility surface — COMPLETE ON FEATURE BRANCH
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Stages 1 and 2 landed as #120 and #124: named `ui.*` faces with
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daemon-resolved `ThemeFacts`, then the live global
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`pmacs.gpu.set_font` preference at protocol v17. Stage 3 is implemented
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and fully gated on `statusline-segments`, awaiting review and **not yet
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merged**: composable `pmacs.statusline` providers, per-window TUI
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composition, a pure built-in LSP segment, dynamic modeline faces, and
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semantic/GPU transport through protocol v18. Merging stage 3 completes
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Arc 4 on `main`.
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### Arc 5 — Terminal, staged
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- **Stage 1**: compile-mode / grep-mode / shell-command on the existing
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PTY + ANSI + REPL-package substrate (line-oriented output buffer,
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error-regex jump-to-file, `M-x compile`). Cheap, transformative.
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- **Stage 2 (vterm)**: extend `ansi.rs` into a 2D grid model
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(alt-screen, cursor addressing, scrollback — parser already
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recognizes and discards these), grid-backed buffer view, GPU
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rendering question (grid cells vs text buffer).
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### Arc 6 — Folding (keystone gutter rider)
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Fold engine (tree-sitter fold ranges) unblocks gutter fold markers +
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the unproduced `FoldState` wire family + a visible feature. Git gutter
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markers similarly just need a diff source.
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### Arc 7 — Debugging (DAP)
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Greenfield but newly unblocked: gutter (breakpoint signs), process
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substrate (DAP = JSON-RPC over stdio, same shape as the LSP client),
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list-buffer panels from Arc 1b (stack/variables). Frame after Arc 1
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ships — panels are reused here.
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### Arc 8 — GPU structural parity
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Splits / multi-buffer (largest unscoped design problem), auto-reconnect
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after daemon restart, cursor blink, font/theme config (overlaps Arc 4).
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---
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## Housekeeping (do opportunistically)
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- Merge PR #91 (gutter click classification + fit guard).
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- Delete or mark-superseded stale docs: `pmacs-gpu-editing-perf-handoff.md`
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(freeze fixed by PR #60 arc), `session-5-stale-styling-handover.md`
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(fixed, task #25 closed), `python_experiment.md`, `#run.sh#`,
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`semantic-frontend-protocol.md.local-bak`.
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- `V0.2-PREREQUISITES.md` cited twice by CHANGELOG but missing on disk —
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reconstruct or unlink.
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- README still leads with "What v0.1 ships with" — refresh.
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- F-016 lua_bindings split: ~5–8 tranches left; `editor.rs` (7k lines)
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and `pmacs-gpu/main.rs` (7.6k lines) splits are named follow-up arcs.
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- Deferred backlogs live in each framing doc's Deferred section; the
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consolidated sweep is reflected above.
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