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Erich Blume
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Backend: enrich `list` to return titled RankedTask rows (title + canonical_context_id, via a shared ranked_from_row with `next`), so the Organizational view needs no N+1 node.get. TDD: query_surface test asserts list rows carry title + context id. Plugin: - view.lua: Tactical `next` + Organizational `list` rendered scratch buffers; <CR> opens the row's canonical-context doc. Narrowed the node autocmd to heph://node/* so view buffers (heph://next, heph://list) don't trip it. - task.lua: capture, set-attention, done/drop, skip, per-task log append, all resolving "the current task" from the buffer (a task node, or a context doc via its canonical-context backlink). - picker.lua: vim.ui.select with Telescope auto-upgrade (headless-safe). - command.lua: :Heph next/list/capture/attention/done/drop/skip/log/search. e2e: capture→next→open context→add/check checklist→done; recurring fresh-checklist (complete rolls forward in place, next occurrence all-unchecked — the §4.4 hard requirement). 6 specs green via `mise run test-nvim`. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
80 lines
4.2 KiB
Markdown
80 lines
4.2 KiB
Markdown
---
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title: heph.nvim
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modified: 2026-06-01
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tags:
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- reference
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- design
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---
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# heph.nvim
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The primary user surface (tech-spec §8): a Neovim plugin that replaces
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obsidian.nvim and is a **thin client of the local `hephd`** over its
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unix-socket JSON-RPC. Notes, journals, and tasks are edited as ordinary
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buffers; the daemon owns all storage and sync. Built in checkpointed slices on
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`feature/v1-prototype`; this card tracks the stable surface as it lands.
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## Architecture
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`heph.nvim/lua/heph/` modules, each small and single-purpose:
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| Module | Responsibility |
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|---|---|
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| `rpc` | libuv (`vim.uv`) unix-socket JSON-RPC client. A blocking `call()` is built over the async pipe by pumping the loop with `vim.wait` until the matching id returns. Demuxes responses by id; partial lines are buffered; JSON `null` decodes to Lua `nil` (`luanil`). A `Session` is one connection — the module keeps a default singleton and lets tests open isolated sessions. |
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| `node` | Buffer-backed nodes. A node is a buffer named `heph://node/<id>` with `buftype=acwrite`; `BufReadCmd` loads the body via `node.get`, `BufWriteCmd` saves the whole buffer via `node.update`. |
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| `link` | Parse the `[[wiki-link]]` under the cursor (mirroring `extract.rs` grammar) and follow it via `node.resolve` (exact, never fuzzy `search`). Unresolved links are allowed. |
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| `journal` | Open/create a dated journal node (idempotent — deterministic id). |
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| `daemon` | Locate / spawn / readiness-poll `hephd` (shared with the e2e harness). |
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| `config` / `init` | `setup(opts)`, socket resolution, default keymaps. |
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| `command` | The `:Heph <subcommand>` dispatch + completion. |
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Surfaces never touch SQLite — every operation is a daemon RPC (tech-spec §3).
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The plugin is **mode-agnostic**: Tactical/Strategic/Organizational are
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plugin-side compositions of daemon primitives, not daemon concepts.
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## Daemon RPC dependencies
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Beyond the existing methods (tech-spec §6), the plugin relies on
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**`node.resolve {title} → Node | null`**: an exact, owner-scoped,
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non-tombstoned alias-then-title match — the same mapping the store uses to
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materialize `wiki` links, so "follow link under cursor" jumps to the *same*
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node the stored link points at.
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## Commands (as of slice 11b)
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| Command | Action |
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|---|---|
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| `:Heph today` / `:Heph journal <YYYY-MM-DD>` | Open today's / a dated journal |
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| `:Heph follow` (also `<CR>` in a node buffer) | Follow the `[[link]]` under the cursor |
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| `:Heph open <id>` | Open a node buffer by id |
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| `:Heph search <query>` | Full-text search; pick a result to open |
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| `:Heph next [scope]` | Tactical "what is next?" view (`<CR>` opens a task's context) |
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| `:Heph list [attention]` | Organizational survey of the outstanding set |
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| `:Heph capture <title>` | Capture a committed task (pick attention) |
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| `:Heph attention [color]` | Set the current task's attention |
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| `:Heph done` / `:Heph drop` / `:Heph skip` | State change on the current task |
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| `:Heph log <text>` | Append a breadcrumb to the current task's log |
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"Current task" is resolved from the buffer: a `task` node, or a canonical-context
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doc whose owning task is followed via its `canonical-context` backlink. The
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`next`/`list` views render the titled rows the daemon returns (`list` enriched to
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carry titles + the context id, so no N+1 `node.get`). Pickers use built-in
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`vim.ui.select`, auto-upgrading to Telescope when installed.
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Context-item **promotion** (`:Heph promote`) and the CI runner arrive in slice 11c.
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## Testing (tech-spec §9)
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The headless e2e suite drives the plugin in `nvim --headless` against a real
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`hephd` over a temp socket, asserting both buffer contents and resulting DB
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state (via an isolated RPC session). It uses a **self-contained busted-style
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runner** (`tests/e2e/runner.lua`) — no external plugins, no network — so it is
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deterministic. `mise run test-nvim` builds the daemon and runs the suite against
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system-installed Neovim; a deliberately failing spec exits non-zero (no
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false-green). In CI the same suite runs inside a Dagger container that provides
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Neovim + the Rust toolchain (slice 11c).
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## Related
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- [[tech-spec]] — §8 surface spec, §6 RPC API, §9 testing strategy
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- [[design]] — the mode model (Tactical/Strategic/Organizational) and rationale
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