docs: fix README inaccuracies from code review

[wcatz]

Summary

• Stake snapshots: NtC primary, Koios fallback (was incorrectly Koios API only)
• Add ntcHost to full mode config example (was missing entirely)
• Fix stability window table: 3k/f and 4k/f are the margins, not freeze points
• Remove dead ticker config key from quick start and config.yaml.example
• Add /menu to Telegram commands table
• Add localquery.go and securekey.go to architecture table

Test plan

• Docs-only change, no code impact

Summary by CodeRabbit

• Documentation

  • Updated configuration documentation with ntcHost option for node address settings.
  • Updated Era/Stability Window table with new column structure (Margin, Freeze Point, Slots Before Epoch End).
  • Enhanced Stake Snapshots documentation regarding query methods.
  • Extended Architecture section to document additional system components.
  • Added new /menu Telegram command documentation.

• Chores

  • Removed ticker field from configuration example.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 119cffe8-eaec-4af0-98e5-b7a0a68a52e2

📥 Commits

Reviewing files that changed from the base of the PR and between 1d25155 and 258582c.

📒 Files selected for processing (2)

• README.md
• config.yaml.example

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📝 Walkthrough

Walkthrough

Documentation and configuration updates reflecting Node to Chain (NtC) integration for stake queries. Removed deprecated ticker field from configuration example, added NtC host configuration, updated stability window table format, and extended architecture documentation to include new NtC-related modules.

Changes

Cohort / File(s)	Summary
Documentation Updates README.md	Updated Stake Snapshots section to prioritize NtC QueryPoolStakeSnapshots with Koios fallback; reformatted Era/Stability Window table; added /menu Telegram command; extended Architecture section to document localquery.go and securekey.go components.
Configuration Cleanup config.yaml.example	Removed deprecated ticker field from lite mode configuration example.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Possibly related PRs

• feat(commands): add NtC stake for historical leaderlog + /version com… #38: Both PRs modify stake-snapshot query behavior to use NtC QueryPoolStakeSnapshots as primary with Koios API fallback.
• feat: replace Ogmios with gouroboros local state query #26: Introduces localquery.go for NtC integration and replaces Ogmios with Node Query for state queries.

Poem

🐰 With ticker gone and NtC in sight,
Our queries now dance in fresh light,
Snapshots from Node to Chain we trace,
Documentation finds its proper place,
Configuration clean, we hop with delight! 🌟

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch docs/readme-accuracy-fixes

📝 Coding Plan

• Generate coding plan for human review comments

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