astrolabe/docs/spec-implementation-audit.md

# Spec ⇄ Implementation Audit

> Generated 2026-06-07 against `main` @ `807d3c8` (version 0.1.0).
> Method: one read-only auditor per spec section (00–10) classified every discrete
> requirement, then an adversarial verify pass re-checked each claimed gap to refute
> false negatives. Baseline at audit time: **`typecheck` clean, 470 tests passing (40 files)**.

## Verdict

Astrolabe is **substantially complete against its own spec**. Across the 11 spec sections,
**320 of 344 discrete requirements are fully implemented** (93%). Of the remaining 24:

- **16 are deferred-by-plan** to M6 (the milestone in progress) — planned, not forgotten.
- **3 are genuine gaps** the plan does _not_ account for (one missing feature, one
  divergence, one partial animation).
- **3 are partials** that are really "core done, UI deferred to M6."
- **2 are documented/intentional divergences** (Settings architecture) — these are
  **spec drift to reconcile**, not implementation bugs.

The MVP loop (M1) and everything through M5 is solid. The only work that escapes the M6
net is small and listed under **Verified gaps** below.

## Scorecard

| §   | Section                  | State       | impl | gaps (non-impl)                       |
| --- | ------------------------ | ----------- | ---- | ------------------------------------- |
| 00  | Product Overview         | ✅ complete | 28   | —                                     |
| 01  | Application Shell & Nav  | 🟢 mostly   | 27   | 3 partial · 1 deferred · 1 diverges   |
| 02  | Snippet Library          | 🟡 partial  | 28   | 11 deferred (search/sort/storage-mon) |
| 03  | Editor & Draft/Published | 🟢 mostly   | 38   | **1 missing (auto-format)**           |
| 04  | Live Preview             | 🟢 mostly   | 31   | 1 deferred (busy indicator)           |
| 05  | Datasets                 | ✅ complete | 31   | **1 diverges (Save not disabled)**    |
| 06  | Chart Builder            | ✅ complete | 25   | —                                     |
| 07  | Settings                 | ✅ complete | 27   | —                                     |
| 08  | Import & Export          | 🟢 mostly   | 33   | 1 deferred (atomic rollback on quota) |
| 09  | Data Model & Persistence | 🟡 partial  | 18   | 1 deferred (sort preference §09D)     |
| 10  | Non-Functional           | 🟡 partial  | 34   | 2 partial · 1 deferred                |

`partial` totals are concentrated in §10 because they reflect "infrastructure built, M6 UI
pending" rather than absent capability.

---

## Verified gaps (NOT covered by the M6 plan)

These survived the adversarial verify pass and have **no deferral note** in
`IMPLEMENTATION-PLAN.md`. Worth a decision now.

### 1. §03A — Automatic JSON reformatting on type/paste · **MISSING**

Spec §03A requires that pasting and typing trigger automatic reformatting so JSON stays
consistently indented. **No document-formatting provider is registered anywhere in `src/`.**
The editor buffers raw text as-typed; only programmatic rewrites (Extract) emit pretty JSON
via `JSON.stringify(…, null, 2)`.

- M2 is marked **complete**, and `architecture/08` explicitly lists the formatter in the M2
  borrow list (`json-stringify-pretty-compact` format action) — so this was scoped for M2
  and dropped, not deferred.
- Evidence: `SpecEditor.tsx:264-267` (raw `getValue()`, no format); `monaco-schema.ts`
  registers diagnostics only; `grep registerDocumentFormattingEditProvider` → no hits.
- **Decision needed:** implement the formatter (small, self-contained), or amend §03A /
  `architecture/08` to drop the requirement if auto-reformat-on-type is no longer wanted.

### 2. §05 — Dataset Save button not disabled until valid · **DIVERGES**

Spec §05 says Save is disabled until a name and valid data/URL are present. Implementation
keeps the button always clickable and validates **on submit** (`save()` returns `false`,
sets `formError`). Functionally safe, but the spec'd affordance (disabled state) never
appears. No deferral note exists.

- Evidence: `DatasetsModal.tsx:436` (no `disabled`); contrast `ChartBuilderModal.tsx:483`
  which already does `disabled={!valid}` — the precedent/pattern exists in-repo.
- **Decision needed:** cheap to align (derive a `canSave` from the existing validation), or
  accept submit-time validation and note it in §05.

### 3. §01F — Toast fade-**out** missing · **PARTIAL**

Spec §01F: toasts "appear/disappear with a brief fade." Toasts fade **in** (`@keyframes
toast-in`, reduced-motion respected) but on dismiss are removed from the store immediately —
React unmounts with no fade-**out**.

- Evidence: `Toaster.module.css:62-71` (in only); `NotificationStore.ts:77` (immediate
  filter-out); `Toaster.tsx:57` (timeout → immediate `dismiss`).
- This is M6 polish territory but isn't itemized in the M6 list. Add an exit animation
  (delay-before-removal or `AnimatePresence`-style pattern).

---

## Spec drift to reconcile (not a code bug)

### §01B/§01C vs §07 — Settings: modal or popover?

`§01B` (header entry points) and `§01C` (modal set) still describe **Settings as a header
button opening a modal**. `§07` and `architecture/10` deliberately redesigned Settings into
**distributed, live-applied per-pane disclosure popovers** (no modal, no header button), and
the implementation correctly follows §07:

- `modal-registry.ts:14-16` — "Settings is deliberately NOT a modal"
- `EventRouter.ts:91-98` — `Cmd/Ctrl+,` opens the editor settings **popover**, not a modal
- `App.tsx:67-102` — header has Datasets/Import/Export but **no Settings button**

The code is right; **the spec is internally inconsistent.** Action: update §01B/§01C to
match the §07 distributed-settings decision (per AGENTS.md "fix spec/code drift
immediately"). Same note applies to the §01C modal set still listing Settings.

---

## Deferred to M6 (planned — informational)

All of the following are explicitly deferred in `IMPLEMENTATION-PLAN.md`. They are the real
remaining M6 surface area:

| Area                                    | Spec      | State                                                               |
| --------------------------------------- | --------- | ------------------------------------------------------------------- |
| **Search** (filter, clear, scope)       | §02       | not started; 5 sub-reqs                                             |
| **Sort** controls + persistence         | §02, §09D | hardcoded modified/desc (= spec default); no UI / no `ux-prefs` key |
| Two distinct empty-state messages       | §02       | single message; tied to search                                      |
| **Storage Monitor** UI                  | §02, §10  | **core + adapter done & tested** (`storage-estimate`); no component |
| Quota-failure save warning (UI)         | §02, §10  | error→toast path exists; no monitor UI                              |
| Render **busy indicator** (>~1s)        | §04, §10  | non-blocking render done; overlay + `aria-busy` deferred (TODO)     |
| Atomic rollback on quota during import  | §08       | warns on overage; no hard-fail rollback (TODO `transfer.ts:135`)    |
| **About & Privacy** + **Donate** modals | §01       | typed in `ModalName`, no components/registry entries                |
| Offline/PWA manual verification         | §10       | configured (`registerType:'prompt'`); not yet manually verified     |

Note the Storage Monitor and sort are "groundwork landed, UI pending" — the core logic ships
and is tested (e.g. `storage-estimate.test.ts`), so M6 is wiring, not building from zero.

---

## Section detail

- **§00 Product Overview — complete.** Every overview claim (local-first, no account, JSON
  editing, live preview, reusable datasets, draft/published, import/export, three-pane +
  modals) maps to shipped code.
- **§01 Shell — mostly complete.** Three-pane layout, resize handles, toggle strip (a11y),
  keyboard router, URL routing w/ back-forward, toasts, modal system all present. Gaps:
  About/Donate modals (deferred), toast fade-out (partial), Settings-modal drift.
- **§02 Snippet Library — partial.** List, list-item (status + linked datasets), metadata
  panel (rename/comment/timestamps), create/duplicate/delete, naming, first-run onboarding
  canvas (welcome + example gallery, replacing the old placeholder seed), and the list's
  no-search-matches empty state all done. Deferred: search, sort UI+persistence, storage monitor.
- **§03 Editor — mostly complete.** Draft/Published, auto-save, debounced auto-render,
  publish/revert + confirm, inline errors, Extract-to-Dataset all working. Gap:
  auto-reformat-on-type (**missing**, see above).
- **§04 Live Preview — mostly complete.** Rendering contract (ref resolution + fit-mode,
  recursive, tested), empty/error handling, tailored dataset-not-found message, responsive
  resize. Deferred: >1s busy indicator.
- **§05 Datasets — complete.** Two-pane modal, profile inference, ref resolution,
  bidirectional links, extract flow. Minor divergence: Save not disabled-until-valid.
- **§06 Chart Builder — complete.** Five marks, four channels, Tier-B smart defaults +
  guards, channel transforms (aggregate/bin/timeUnit), sort/stacking, pre-population,
  validation, live preview, snippet creation + linking. Matches research doc intent.
- **§07 Settings — complete.** Three clusters as distributed disclosure popovers, live
  apply, theme header toggle, `Cmd/Ctrl+,`, localStorage load-with-fallback, hydrate before
  paint.
- **§08 Import/Export — mostly complete.** Envelope build, shape detection, normalization,
  merge/collision/auto-suffix, feedback messaging — all tested. Deferred: atomic rollback on
  quota.
- **§09 Data Model — partial.** Snippet/Dataset/UserSettings schemas with versioned
  read-time migrations; storage tiers separated; `datasetRefs` relationships. Deferred: sort
  preference (§09D) — only panel layout (widths/visibility) persisted today.
- **§10 Non-Functional — partial.** Keyboard routing, focus management, modal behavior,
  reduced-motion, debouncing, error→toast safety all comprehensive. Partial/deferred:
  storage-monitor warnings, >1s busy indicator, offline manual verification.

---

## Suggested next actions

1. **Reconcile §01 spec drift** with §07 (settings-as-popovers) — pure doc fix, do now.
2. **Decide §03A auto-format** — implement (small) or amend the spec; it's the only true
   "marked-complete-but-missing" item.
3. **Align §05 Save-disabled** using the existing `ChartBuilderModal` pattern (cheap).
4. **Proceed with M6** for the rest — search, sort, storage-monitor UI, About/Donate,
   toast fade-out, busy indicator, atomic rollback, offline verification. Most have core
   groundwork already landed.