Port 0.61.0 transient provider inventory plumbing

[Finesssee]

Summary

• Add a small transient provider inventory channel to ProviderFetchResult.
• Project inventory explicitly through CLI JSON/text, the Tauri bridge, provider details, and the React usage surfaces.
• Keep inventory outside quota arithmetic, persistence, tray metric selection, pace, notifications, and auto-resume behavior.

Validation

• cargo test --manifest-path rust/Cargo.toml --lib cli::usage::tests
• cargo test --manifest-path rust/Cargo.toml --lib providers::grok::billing::tests
• cargo check --manifest-path apps/desktop-tauri/src-tauri/Cargo.toml
• cargo fmt --all

Frontend targeted tests were not run because apps/desktop-tauri/node_modules is absent; no dependency install or frontend build was started.

This is the 0.61.0 prerequisite for the dependent Grok reset-coupon port. It contains no Grok network behavior.

Summary by CodeRabbit

• New Features
  • Added display-only provider inventory details, including item names, available counts, and reset/expiry times.
  • Inventory appears in provider usage sections and menu card details without being treated as quota usage.
  • CLI usage output now includes inventory information in full text and JSON formats.
• Bug Fixes
  • Prevented sensitive token identifiers from appearing in provider inventory output.

[coderabbitai]

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 0e82ce7e-0a32-4de5-aaf0-9062aa92eeef

📥 Commits

Reviewing files that changed from the base of the PR and between 10e3b09 and 4ceb88f.

📒 Files selected for processing (13)

• apps/desktop-tauri/src-tauri/src/commands/bridge.rs
• apps/desktop-tauri/src-tauri/src/commands/provider_detail.rs
• apps/desktop-tauri/src-tauri/src/commands/providers.rs
• apps/desktop-tauri/src-tauri/src/commands/tests.rs
• apps/desktop-tauri/src-tauri/src/powertoys.rs
• apps/desktop-tauri/src-tauri/src/tray_bridge.rs
• apps/desktop-tauri/src-tauri/src/usage_metric.rs
• apps/desktop-tauri/src/components/MenuCardDetails.tsx
• apps/desktop-tauri/src/surfaces/settings/providers/sections/UsageSection.test.tsx
• apps/desktop-tauri/src/surfaces/settings/providers/sections/UsageSection.tsx
• apps/desktop-tauri/src/types/bridge.ts
• rust/src/cli/usage.rs
• rust/src/core/usage_snapshot.rs

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📝 Walkthrough

Walkthrough

The PR adds display-only provider inventory data to core fetch results, bridge snapshots, CLI output, and desktop usage views. Inventory includes item identifiers, titles, available counts, and optional expiry times. Redemption tokens remain excluded from serialized data.

Changes

Provider inventory

Layer / File(s)	Summary
Inventory data model rust/src/core/usage_snapshot.rs	Adds transient ProviderInventoryItem data and builder support. Inventory remains separate from quota calculations and persisted fetch-result JSON.
Bridge snapshot propagation apps/desktop-tauri/src-tauri/src/commands/bridge.rs, apps/desktop-tauri/src-tauri/src/commands/provider_detail.rs, apps/desktop-tauri/src-tauri/src/commands/tests.rs, apps/desktop-tauri/src-tauri/src/commands/providers.rs, apps/desktop-tauri/src-tauri/src/powertoys.rs, apps/desktop-tauri/src-tauri/src/tray_bridge.rs, apps/desktop-tauri/src-tauri/src/usage_metric.rs	Maps inventory into bridge snapshots and provider details. Error snapshots and existing test fixtures initialize empty inventories.
CLI inventory output rust/src/cli/usage.rs	Adds inventory to JSON output and full text output. Full text includes formatted expiry countdowns, while brief text omits inventory.
Desktop usage rendering apps/desktop-tauri/src/types/bridge.ts, apps/desktop-tauri/src/surfaces/settings/providers/sections/UsageSection.tsx, apps/desktop-tauri/src/surfaces/settings/providers/sections/UsageSection.test.tsx	Adds bridge inventory types and renders inventory rows after usage bars. Inventory does not render as a quota bar.
Menu card inventory rendering apps/desktop-tauri/src/components/MenuCardDetails.tsx	Adds inventory presence detection and renders item titles, available counts, and optional expiry values in menu cards.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Feature

Suggested reviewers: tlq5l

Sequence Diagram(s)

sequenceDiagram
  participant ProviderFetchResult
  participant BridgeSnapshot
  participant DesktopUsageView
  participant CliUsageRenderer
  ProviderFetchResult->>BridgeSnapshot: provide inventory items
  BridgeSnapshot->>DesktopUsageView: expose inventory and expiry
  ProviderFetchResult->>CliUsageRenderer: provide inventory items
  CliUsageRenderer-->>CliUsageRenderer: format JSON or text output

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🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 68.09% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 47 functions across 13 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: porting transient provider inventory plumbing for version 0.61.0.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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