Add AGENTS.md and CLAUDE.md documentation

[gasher]

Summary

• Adds a root AGENTS.md plus one per substantial package under packages/*/AGENTS.md, following the org's house style (verified against real package.json scripts, .github/workflows/, lerna.json, jest/coverage configs — no invented facts).
• Adds a root CLAUDE.md (@AGENTS.md).

Test plan

• Skim the root AGENTS.md and one package doc for accuracy
• Confirm cited commands/paths still match the repo

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.91%. Comparing base (6ebe997) to head (15817ac).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #581      +/-   ##
==========================================
- Coverage   60.97%   60.91%   -0.07%     
==========================================
  Files         177      177              
  Lines        4915     4915              
  Branches      575      575              
==========================================
- Hits         2997     2994       -3     
- Misses       1845     1848       +3     
  Partials       73       73              

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[mike-parkhill]

lgtm, but would like @maycon-mello's review of this

[Copilot]

Copilot review overview

🟡 Changes recommended

Several documented commands, paths, dependency claims, and test descriptions are inaccurate and need correction.

Get a fresh assessment by requesting another Copilot review.

Review effort: Lite
Findings: 6

Open (6)

• Correct package naming guidance for wallet-edv-storage · New
• Narrow wasm dependency description to actual consumers · New
• Correct generated documentation output path · New
• Limit runtime-code comparison to React Native · New
• Clarify excluded TypeScript test coverage · New
• Limit wasm foundation claim to actual consumers · New

What changed in this PR

Adds repository-wide and package-level contributor guidance, plus a CLAUDE.md reference to the root instructions.

Changes:

• Documents architecture, workflows, testing, and conventions.
• Adds guides for WASM, React Native, TypeORM, core, and CLI packages.
• Adds CLAUDE.md redirecting to AGENTS.md.

File	Summary
packages/​wasm/​AGENTS.md	WASM build and testing guidance
packages/​react-native/​AGENTS.md	React Native bundling and test guidance
packages/​data-store-typeorm/​AGENTS.md	TypeORM storage guidance
packages/​core/​AGENTS.md	Core package guidance
packages/​cli/​AGENTS.md	CLI usage and testing guidance
CLAUDE.md	References root agent instructions
AGENTS.md	Repository-wide architecture, workflow, testing, and guardrails

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