ramadhan sjamsani e3ea1d793e Phase 4 Stage 10 client_app: Chat tab UI (3 sub-tabs + retire bestie_history) ...

Flutter half of Stage 10 — the new Chat tab landing in the bottom nav.
The CTA target swaps from /chat/history to /chat, which redirects into
/chat/aktif. Three sibling routes under a single ShellRoute share a
header + sub-tab pills + the existing HaloTabBar footer:

  /chat/aktif        — the current active session (0 or 1 row)
  /chat/pembayaran   — pending initial + extension payments
  /chat/selesai      — past sessions, cursor-paginated infinite scroll

URL is the source of truth for the active sub-tab so deep links, back
stack, and Maestro all agree on state.

New feature dir `lib/features/chat_tab/`:
- providers/pending_payments_provider.dart — FutureProvider against the
  Stage-10 backend endpoint, plus pendingPaymentsCountProvider for the
  red-dot derivative
- providers/selesai_history_provider.dart — AsyncNotifier over
  GET /api/client/chat/history; tracks accumulated items + next_cursor +
  hasMore; loadMore() and refresh()
- widgets/chat_row.dart — generic row used by all 3 sub-tabs, with
  optional PaymentAmountChip / DurationChip / 📞 Call indicator
- widgets/sub_tab_pill.dart — pill with active underline + optional
  numeric badge (null hides; matches Selesai's no-badge rule)
- screens/chat_tab_shell.dart — ShellRoute scaffold + ChatSubTab enum
- screens/{aktif,pembayaran,selesai}_view.dart — the three sub-tab bodies

Router (`router.dart`):
- /chat → redirect → /chat/aktif
- ShellRoute hosts /chat/aktif, /chat/pembayaran, /chat/selesai
- /chat/history retired; /chat/history/:sessionId → /chat/transcript/:sessionId
- ChatHistoryScreen import + file deleted

HaloTabBar (`features/home/widgets/halo_tab_bar.dart` — new in the
working tree from Stage 9 sweep): now a ConsumerWidget. Chat tab goes
to /chat. Red dot renders when pendingPaymentsCountProvider > 0.

Inbound call-site updates:
- bestie_choice_sheet.dart: /chat/history → /chat
- home_screen.dart history-row tap: /chat/history/:id → /chat/transcript/:id

This commit also carries the larger Stage 9 sweep + ESP-removal + USP
gate edits that were already staged in the working tree on
`home_screen.dart` and `router.dart` from the prior session.

flutter analyze: clean except for the pre-existing scaffold
test/widget_test.dart MyApp reference (unrelated, present on master).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-12 20:14:22 +08:00

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