135 lines
6.1 KiB
Markdown
135 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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> **Historical planning snapshot.** Several arcs below have since
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> landed. Use `docs/agent-handoff.md` for durable current state and
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> `docs/active-work.md` for open branches and recovery instructions.
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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" — COMPLETE
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The completion popup and LSP utility panels shipped across #92–#96,
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followed by hardening in #102, #105, and #106. Completion, hover,
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references, document symbols, and the supporting semantic/signature
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paths are now wired through both frontend contracts.
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### Arc 2 — Editing table stakes — COMPLETE
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Query-replace (#97), the real kill ring and `M-y` (#103/#105/#106),
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comment toggle (#107), auto-indent (#109), and auto-pairing (#110)
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landed.
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### Arc 3 — Persistence/serialization — COMPLETE
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Saveplace/recentf (#98), desktop save/restore (#99),
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autosave/crash-recovery (#100), and the save-clobber fix (#101) landed.
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### Arc 4 — Themes + extensibility surface — COMPLETE
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Stages 1–3 landed as #120, #124, and #125: named `ui.*` faces with
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daemon-resolved `ThemeFacts`; the live global `pmacs.gpu.set_font`
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preference at protocol v17; and composable per-window
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`pmacs.statusline` providers transported to semantic/GPU frontends by
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protocol-v18 `StatuslineSegments`.
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### Arc 5 — Terminal, staged — COMPLETE
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- **Compile mode landed in #113**: line-oriented PTY/ANSI output,
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error-regex navigation, and `M-x compile`.
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- **Vterm Stage 1 terminal core landed in #126**: compatibility parser
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profiles, bounded VT screen/scrollback/reflow state, IND/NEL/RI, input
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encoders, internal `TerminalManager`, read-only identity buffers, process
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lifecycle, control-free renderer-boundary cells, and headless real-PTY
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acceptance.
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- **Vterm Stage 2 TUI landed in #130**: terminal-window composition,
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input/resize, per-context scroll/selection/copy, authenticated frontend
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ownership, BEL/clipboard drainage, and the strict Lua surface.
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- **Vterm Stage 3 protocol/GPU landed in #135**: additive protocol-v19
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complete frames/events, an aggregate glyph-byte bound under the unchanged
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transport cap, dual viewport bootstrap, authenticated semantic routing, and
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native fixed-cell GPU terminal rendering. The 16 MiB transport cap is
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preserved: the measured legal-worst frame encodes to 13,437,863 bytes under
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an 8 MiB aggregate glyph bound, never chunked.
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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).~~ Landed on
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2026-07-07.
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- Machine-local handoff/experiment files are intentionally untracked; see
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`docs/agent-handoff.md` §7. They are not repository housekeeping targets.
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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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