* Add Perplexity provider
Tracks usage-based API credits from Perplexity Pro/Max plans via the
/rest/billing/credits endpoint using a browser session cookie.
- Three-tier display: recurring credits (monthly), bonus credits
(promotional grants), and purchased on-demand credits
- Infers plan name (Free/Pro/Max) from recurring credit pool size
- Cookie auth: auto browser import from Chrome/Chromium, manual paste,
or PERPLEXITY_SESSION_TOKEN / PERPLEXITY_COOKIE env var fallback
- Waterfall attribution: recurring → purchased → promotional
- Empty credit pools render as depleted bars, not full ones
- Login flow opens perplexity.ai/signin with the standard key icon
- 10 unit tests covering parsing, waterfall logic, plan inference,
empty-pool rendering, and UsageSnapshot conversion
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
* Add cookie caching, fix API parsing, and remove keychain deprecation warning
- Cache Perplexity session cookies via CookieHeaderCache (matching
Claude/Cursor pattern): try cache before browser import, cache on
success, clear + retry on 401/403, preserve cache on transient errors
- Fix PerplexityCreditGrant.expiresAtTs to be optional — the API returns
null for purchased grants, causing parse failures
- Remove deprecated kSecUseAuthenticationUIFail (macOS 14+ only needs
LAContext.interactionNotAllowed)
- Add debug logging for parse failures (raw response preview)
- Add 6 tests for cookie cache behavior
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* fix: detect purchased credits from credit_grants array
Perplexity now sends purchased credits as a credit_grant with
type="purchased" instead of (or in addition to) the top-level
current_period_purchased_cents field. Take the larger of the two
sources to avoid double-counting while catching either path.
Without this fix, 40k purchased credits were invisible to the
waterfall calculation, causing bonus credits to show 100% used
when they still had ~42% remaining.
* Fix Perplexity session cookie handling
* Refine Perplexity credit and cookie behavior
* Improve Perplexity cookie fallback handling
* Fix Perplexity menu and browser session fallback
* Fix Perplexity fallback credit selection
* Respect Perplexity primary metric selection
* Fix Perplexity Linux cookie import
* Prefer purchased Perplexity fallback credits
---------
Co-authored-by: John Budnick <jmbudnick@Johns-MacBook-Pro.local>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: John Budnick <BeelixGit@users.noreply.github.com>
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