docs: update credential storage docs and remove stale config.json references

[betegon]

Summary

Auth credentials were migrated to SQLite (cli.db) but docs and code comments still referenced ~/.sentry/config.json. This updates everything to match reality:

• Rewrites the auth command docs "Credential Storage" section to note that credentials live in cli.db with restricted permissions, and points users to sentry auth token / sentry auth status instead of exposing the internal schema
• Updates the configuration page's credential storage section to name cli.db, mention WAL permissions, and link to the auth docs
• Removes DB schema details (column/type table), sqlite3 query examples, and "Direct Database Access" subsection — users shouldn't read the DB directly
• Removes sqlite3 examples from the SKILL.md agent skill file
• Fixes three stale comments/strings in logout.ts, oauth.ts, and dsn/types.ts

Test Plan

• bun run typecheck — passes (pre-existing trial module errors only)
• bun run lint — clean
• bun run test:unit — no new failures
• Verified no sqlite3 or schema content remains in docs

🤖 Generated with Claude Code

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Semver Impact of This PR

🟢 Patch (bug fixes)

📋 Changelog Preview

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New Features ✨

Init

• Add --team flag to relay team selection to project creation by MathurAditya724 in #403
• Enforce canonical feature display order by betegon in #388
• Accept multiple delimiter formats for --features flag by betegon in #386
• Add git safety checks before wizard modifies files by betegon in #379
• Add experimental warning before wizard runs by betegon in #378
• Add init command for guided Sentry project setup by betegon in #283

Issue List

• Auto-compact when table exceeds terminal height by BYK in #395
• Redesign table to match Sentry web UI by BYK in #372

Other

• (trial) Auto-prompt for Seer trial + sentry trial list/start commands by BYK in #399
• Support SENTRY_HOST as alias for SENTRY_URL by betegon in #409
• Add --dry-run flag to mutating commands by BYK in #387
• Return-based output with OutputConfig on buildCommand by BYK in #380
• Add --fields flag for context-window-friendly JSON output by BYK in #373
• Magic @ selectors (@latest, @most_frequent) for issue commands by BYK in #371
• Input hardening against agent hallucinations by BYK in #370
• Add response caching for read-only API calls by BYK in #330

Bug Fixes 🐛

Init

• Remove implementation detail from help text by betegon in #385
• Truncate uncommitted file list to first 5 entries by MathurAditya724 in #381

Other

• (api) Convert --data to query params for GET requests by BYK in #383
• (docs) Remove double borders and fix column alignment on landing page tables by betegon in #369
• Show human-friendly names in trial list and surface plan trials by BYK in #412
• Add trace ID validation to trace view + UUID dash-stripping by BYK in #375

Documentation 📚

• Update credential storage docs and remove stale config.json references by betegon in #408

Internal Changes 🔧

Init

• Remove --force flag by betegon in #377
• Remove dead determine-pm step label by betegon in #374

Other

• (log/list) Convert non-follow paths to return CommandOutput by BYK in #410
• Convert list command handlers to return data instead of writing stdout by BYK in #404
• Split api-client.ts into focused domain modules by BYK in #405
• Migrate non-streaming commands to CommandOutput with markdown rendering by BYK in #398
• Convert Tier 2-3 commands to return-based output and consola by BYK in #394
• Convert remaining Tier 1 commands to return-based output by BYK in #382
• Converge Tier 1 commands to writeOutput helper by BYK in #376

Other

• Minify JSON on read and pretty-print on write in init local ops by MathurAditya724 in #396

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Codecov Results 📊

✅ 104 passed | Total: 104 | Pass Rate: 100% | Execution Time: 0ms

📊 Comparison with Base Branch

Metric	Change
Total Tests	—
Passed Tests	—
Failed Tests	—
Skipped Tests	—

✨ No test changes detected

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 697 uncovered lines.
✅ Project coverage is 96.68%. Comparing base (base) to head (head).

Coverage diff

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+ Coverage    96.68%    96.68%        —%
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  Files          159       159         —
  Lines        21011     21011         —
  Branches         0         0         —
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+ Hits         20314     20314         —
- Misses         697       697         —
- Partials         0         0         —

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[BYK]

We should not be documenting our schema or encouraging people to read the db directly. We already have sentry auth token command for this