heph.nvim: :Heph home — a base index/landing page for the zk

A single designated "home" doc (open-or-create by title, configurable via
opts.home, default "Home") — a stable landing page to grow a map of content
around. e2e covers create-on-first-open + idempotent reuse.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

docs/changelog.d/v1-prototype.feature.md

@@ -18,5 +18,5 @@ Begin the v1 prototype (Phase 1, tech-spec §11.1), built in TDD slices:
 - `heph.nvim` slice 11b (§8) — task views: `list` is enriched to return titled rows (the same shape as `next`, with the canonical-context id) so the Organizational survey needs no per-row `node.get`. The plugin gains the Tactical **`:Heph next`** and Organizational **`:Heph list`** views (`<CR>` opens a task's canonical-context doc), task **capture**, **set-attention**, **done/drop**, **skip**, and per-task **`log`** append — each resolving "the current task" from the buffer (a task node, or a context doc via its `canonical-context` backlink). A `vim.ui.select` picker (Telescope auto-upgrade when installed) backs `:Heph search`/`capture`/`attention`. Headless e2e adds the capture→next→context→checklist→done workflow and the recurring fresh-checklist workflow (completing a recurring task rolls it forward and the next occurrence presents an all-unchecked checklist).
 - `heph.nvim` slice 11c (§8) — promotion + CI: `task.promote` mints a committed task from a `- [ ]` context-item line (addressed by its 1-based index) and rewrites that line into a `[[link]]` to the new task; `:Heph promote` does this for the line under the cursor. Wiki-link resolution now excludes a task's canonical-context doc, so `[[Task Title]]` resolves to the task itself (not its identically-titled context doc). The headless e2e suite runs in CI via a Dagger function that bakes a pinned, arch-detected Neovim onto a Rust image and runs the same self-contained suite developers run natively with `mise run test-nvim`; the runner fails on a zero-spec discovery so a misconfigured path can't pass silently.
 - `heph.nvim` managed daemon — plug-and-play by default: `require("heph").setup({})` spawns and supervises a local `hephd` against the default paths when none is running, kills only the daemon it spawned on exit, and self-heals (respawns + reconnects if the daemon dies mid-session). A daemon you started yourself (a `server`/`client` architecture, or a service) is always respected — the plugin only spawns when nothing is serving the socket; with `autostart = false` it connects only and warns if unreachable. `$HEPH_SOCKET` / `$HEPH_DB` isolate a development Neovim onto a separate daemon + DB.
-- `heph.nvim` follow-or-create: pressing `<CR>` on a `[[wiki-link]]` whose target doesn't exist yet now **creates** a doc with that title and opens it (the zettelkasten gesture), materializing the source's backlink — so you can link a journal entry to a brand-new note in one keystroke. Plus `:Heph doc <title>` to create a standalone wiki entry.
+- `heph.nvim` follow-or-create: pressing `<CR>` on a `[[wiki-link]]` whose target doesn't exist yet now **creates** a doc with that title and opens it (the zettelkasten gesture), materializing the source's backlink — so you can link a journal entry to a brand-new note in one keystroke. Plus `:Heph doc <title>` to create a standalone wiki entry, and `:Heph home` — a single designated landing/index page (open-or-create by title, configurable via `opts.home`) to grow a map of content around.
 - Dev/installed isolation tooling: a `mise run dev` task runs the working-tree `hephd` on isolated `.dev/` paths, and a how-to ([[install-heph]]) covers installing `heph`/`hephd` from the forge (build-from-source), the lazy.nvim plugin setup, and pointing a dev Neovim at the dev daemon via `$HEPH_SOCKET`/`$HEPH_DB` so it never touches the installed store.

docs/reference/heph-nvim.md

@@ -59,6 +59,7 @@ edits, else adding the `wiki` link directly).
 
 | Command | Action |
 |---|---|
+| `:Heph home` | Open the home / index landing page (created on first use; title via `opts.home`) |
 | `:Heph today` / `:Heph journal <YYYY-MM-DD>` | Open today's / a dated journal |
 | `:Heph follow` (also `<CR>` in a node buffer) | Follow the `[[link]]` under the cursor — **creating** the target doc if it doesn't exist yet |
 | `:Heph doc <title>` | Create (and open) a new wiki doc |

heph.nvim/lua/heph/command.lua

@@ -9,6 +9,10 @@ local ATTENTIONS = { "white", "orange", "red", "blue" }
 --- subcommand -> handler(args: string[])
 M.subs = {
   -- knowledge base
+  home = function()
+    local cfg = require("heph").config or {}
+    require("heph.home").open(cfg.home)
+  end,
   today = function()
     require("heph.journal").open()
   end,

heph.nvim/lua/heph/config.lua

@@ -13,6 +13,8 @@ M.defaults = {
   autostart = true,
   --- hephd binary for autostart (on PATH for an installed heph).
   bin = "hephd",
+  --- Title of the home / index page (`:Heph home`).
+  home = "Home",
   --- Set the default `<leader>h*` keymaps. `false` to opt out.
   keymaps = true,
 }

heph.nvim/lua/heph/home.lua

@@ -0,0 +1,27 @@
+--- The home / index page (tech-spec §8): a single designated `doc` that is the
+--- base landing page of the knowledge base — a stable place to grow a map of
+--- content. Open-or-create by title, so the first `:Heph home` mints it and
+--- every later one returns the same doc.
+
+local rpc = require("heph.rpc")
+
+local M = {}
+
+--- Open (creating if absent) the home page titled `title` (default "Home").
+--- Returns the node.
+function M.open(title)
+  title = (title and #title > 0) and title or "Home"
+  local node = rpc.call("node.resolve", { title = title })
+  if not node then
+    node = rpc.call("node.create", {
+      kind = "doc",
+      title = title,
+      body = "# " .. title .. "\n\n",
+    })
+    require("heph.util").notify("created home page [[" .. title .. "]]")
+  end
+  require("heph.node").open(node.id)
+  return node
+end
+
+return M

heph.nvim/tests/e2e/home_spec.lua

@@ -0,0 +1,27 @@
+-- The home / index landing page: open-or-create by title, idempotent.
+
+local h = require("e2e.helpers")
+
+describe("home page", function()
+  local ctx
+  before_each(function()
+    ctx = h.start()
+  end)
+  after_each(function()
+    h.stop(ctx)
+  end)
+
+  it("creates the home page on first open and reuses it after", function()
+    local n1 = require("heph.home").open("Home")
+    assert.is_truthy(n1.id)
+    assert.are.equal("heph://node/" .. n1.id, vim.api.nvim_buf_get_name(0))
+    assert.are.equal("doc", n1.kind)
+
+    -- Reopening returns the SAME doc (open-or-create is idempotent by title).
+    local n2 = require("heph.home").open("Home")
+    assert.are.equal(n1.id, n2.id)
+
+    -- It's a real, resolvable wiki target, so other notes can [[Home]] into it.
+    assert.are.equal(n1.id, ctx.q:call("node.resolve", { title = "Home" }).id)
+  end)
+end)