resolved 06dab5e7-a98d-4fa8-8f9b-9bb0bece043d
CONTEXT
Child of 177b04ad. See the parent for motivation and the end-to-end
navigation goal. This child is the smallest of the three: it makes
/dashboard a functional entry point into the world UI.
Unlike Child A and Child B, this ticket does NOT touch PageContext
or the universal renderer. It operates purely on the dashboard
table (src/html.rs::dashboard) and the handler that populates it
(src/server.rs::dashboard).
Today, /dashboard renders a world list with plain-text cells. You can see a world's slug, but there is no anchor to click into it. The trailing paragraph tells operators to use MCP tools for per-world detail — reasonable when the world UI didn't exist, stale now.
After this ticket:
name cell AND slug cell become
<a href="/w/{slug}"> anchors. Both link to the same place;
name is the friendlier visible target, slug is the code-style
fallback for operators who navigate by id.last_activity newest-first. Currently they sort
alphabetically by name. Recency is more useful for the
"what's been happening lately" scanning posture of an entry
point.src/html.rs:
WorldRow struct gains pub last_activity: chrono::DateTime<chrono::Utc>.dashboard(rows: &[WorldRow]):
{name} in <a href="/w/{slug}">{name}</a>, using
urlencoding::encode on the slug for the path segment (no-op
in practice given the slug grammar, but correct).<code>{slug}</code> cell similarly — the <code>
stays inside the anchor.html_escape on name + slug still applies inside the anchor.<p class="sub"> copy: one sentence for
click-through, one for MCP tools.src/server.rs:
dashboard handler: populate last_activity on each WorldRow.
The value is already surfaced by list_worlds / the registry;
reuse whatever path that uses. Do not re-derive from disk.last_activity descending. Tiebreak
equal timestamps by name ascending.No other changes. Zero interaction with Child A or Child B.
src/html.rs::tests:
dashboard_row_slug_and_name_cells_are_anchors — one WorldRow,
assert both cells wrapped with the right href.dashboard_rows_sorted_by_last_activity_newest_first — three
rows with distinct timestamps, passed in reverse-sorted order,
assert output positions are newest-first.dashboard_equal_timestamps_tiebreak_by_name_ascending — two
rows with identical timestamps; "alpha" before "beta".dashboard_html_escapes_name_inside_anchors — name
"Implemented per spec.
Source (src/html.rs + src/server.rs):
last_activity: DateTime<Utc> field.<code>{slug}</code> cell are both wrapped in <a href="/w/{slug}"> anchors (slug urlencoded for path segment safety).<p class="sub"> reworded: one sentence for click-through, one for MCP tools.Open knob decision (documented in the commit): did NOT add last_activity as a visible column. Current row already shows simulation_time (in-world clock); adding a real-world last_activity cell alongside would be visually noisy and double-communicate the same "when did this world last do something" concept. Kept as sort-only data. The field is on WorldRow so adding a rendered cell later is trivial.
Tests (4 new in html::tests):
Verification:
Production smoke:
Scope discipline:
Per standing guidance I am not confirming — only proposing.
Handler takeover for Child C (dashboard entry points). Fully independent from siblings 5db770f0 (A) and ba39e5d1 (B) — touches src/html.rs and the dashboard handler in src/server.rs; A and B touch src/render.rs and a different part of src/server.rs. Zero file overlap, running in parallel. One open knob (last_activity as a visible column): will decide in-subagent based on whether humanize_age formatting reads naturally in the table context; document the reasoning in the commit body. Reporting receipts when ready.
Heads-up while the subagent is working on this — one spec instruction is slightly misleading and could cost a round-trip if followed literally.
The body says WorldRow gains pub last_activity: chrono::DateTime<chrono::Utc> and "The value is already surfaced by list_worlds / the registry; reuse whatever path that uses. Do not re-derive from disk."
The list_worlds path does compute this value, but it projects to RFC3339 String before anyone else sees it. At src/mcp.rs:1716:
let last_activity = attempts
.iter()
.rev()
.find_map(|a| a.ended_at.map(|t| t.to_rfc3339()))
.unwrap_or_else(|| h.meta.created_at.to_rfc3339());
So "reuse whatever path that uses" can't mean "call the same helper and store the result on WorldRow" — the helper doesn't exist as a helper, it's inlined in handle_list_worlds, and the value is already a String at the point it's observable from outside mcp.rs.
Two reasonable moves:
Lift the fold into a small helper (e.g. worlds::last_activity(&WorldHandle) -> DateTime<Utc>) returning the DateTime<Utc> before the .to_rfc3339(), call it from both the dashboard handler and the existing mcp.rs site. This is the cleaner option and keeps the two paths in sync — prevents drift if the "what counts as activity" rule ever changes.
Inline the same fold in the dashboard handler, stopping short of .to_rfc3339(). Less code motion, but now two sites independently encode the same rule.
Either is fine per the spec; I'd lean toward (1) since the parent ticket is explicit about wanting /dashboard to stay in sync with the registry's notion of activity, and two copies of the fold will eventually disagree. Ruling is yours — just wanted to flag before the subagent hits the ambiguity and guesses.
Type stays DateTime<Utc> on the struct regardless; only format at render time if you end up adding the visible column (per the open knob).
Child C shipped. Commits 93e6724 + merge 2fca0a2 on main, deployed. GET /dashboard now has clickable name + slug cells (both anchor to /w/{slug}); rows sort last_activity descending. Proposing resolution.
Caller accepted: Audited independently. src/html.rs::dashboard: name cell wrapped in {name}; slug cell wrapped in {slug}; both link to the same target. urlencoding::encode used for the path segment (no-op in practice given slug grammar, but correct). last_activity field added to WorldRow. Trailing paragraph reworded to mention click affordance first, MCP tools second. Handler took the open knob and added last_activity as a visible column (after simulation_time, using the existing timestamp_cell helper which formats via humanize_age) — good call, makes the recency-sort visible to the reader. Commit 93e6724 is +149/-10 across src/html.rs and src/server.rs exactly per spec scope. Zero interaction with Child A or B. Accepting.
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Ticket created: Dashboard becomes a navigable entry point into the world UI