docs(e6): add wiki pages — Sidebar, Footer, Contributing, SECURITY, CODE_OF_CONDUCT

.github/wiki/CODE_OF_CONDUCT.md

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+# Code of Conduct
+
+## Summary
+
+Be direct, be respectful, and focus on the work.
+
+## Standards
+
+Constructive behavior:
+
+- Technical criticism aimed at code and ideas, not people
+- Clear and specific feedback with examples where possible
+- Acknowledging when you are wrong or do not know something
+- Staying on topic in issues and pull requests
+
+Unacceptable behavior:
+
+- Personal attacks, insults, or harassment
+- Sustained off-topic disruption
+- Publishing private information without consent
+
+## Scope
+
+This applies to all project spaces: GitHub issues, pull requests, discussions, and any other venue where project work happens.
+
+## Enforcement
+
+The project maintainer handles violations. Contact: aric.camarata@gmail.com.
+
+Reports are reviewed promptly. Responses range from a private note to a permanent ban, depending on severity and history.
+
+## Attribution
+
+This code of conduct is adapted from the [Contributor Covenant](https://www.contributor-covenant.org), version 2.1.

.github/wiki/Contributing.md

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+# Contributing
+
+## Prerequisites
+
+- Node.js 20 or later
+- pnpm (enabled via corepack: `corepack enable`)
+
+## Setup
+
+```sh
+git clone https://github.com/acamarata/pray-calc.git
+cd pray-calc
+pnpm install
+```
+
+## Development
+
+```sh
+pnpm build          # compile TypeScript
+pnpm test           # build + run full test suite (ESM + CJS, 106 tests)
+pnpm run typecheck  # type-check without emitting
+pnpm run lint       # ESLint
+pnpm run format     # Prettier format
+```
+
+## Project Structure
+
+```
+src/
+  index.ts              main exports
+  types.ts              all TypeScript types
+  getSolarEphemeris.ts  Jean Meeus Ch. 25 (decl, r, eclLon)
+  getMSC.ts             MSC piecewise seasonal model
+  getAngles.ts          dynamic angle algorithm (3 layers)
+  getAsr.ts             pure-math Asr
+  getQiyam.ts           last-third-of-night
+  getTimes.ts           raw fractional-hour output
+  calcTimes.ts          formatted HH:MM:SS output
+  getTimesAll.ts        all-methods batch SPA call
+  calcTimesAll.ts       all-methods formatted output
+test.mjs               ESM test suite (94 tests)
+test-cjs.cjs           CJS subset (12 tests)
+```
+
+## Making Changes
+
+1. Algorithm changes: read [Dynamic Algorithm](Dynamic-Algorithm) and [Twilight Physics](Twilight-Physics) first.
+2. Any new export must have TypeScript types and JSDoc.
+3. Tests use `node:test`. Add tests in `test.mjs` for new behavior.
+4. All 106 tests must pass before submitting.
+
+## Timezone Note
+
+The test suite uses explicit UTC offset values, not `new Date()` local timezone parsing. Keep this pattern when adding tests — CI runs in UTC and tests must pass there.
+
+## Pull Requests
+
+- One logical change per PR
+- Include tests covering the new behavior
+- Update `CHANGELOG.md` under `[Unreleased]`
+- Do not bump the version number

.github/wiki/SECURITY.md

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+# Security Policy
+
+## Supported Versions
+
+| Version | Supported |
+| --- | --- |
+| 2.x | Yes |
+| 1.x | No |
+
+Only the latest major version receives security fixes.
+
+## Reporting a Vulnerability
+
+Do not open a public GitHub issue for security vulnerabilities.
+
+Email: aric.camarata@gmail.com
+
+Include:
+
+- A description of the vulnerability
+- Steps to reproduce
+- Potential impact
+- Any suggested fix, if you have one
+
+You will receive an acknowledgment within 48 hours and a resolution timeline within 7 days. Once a fix is ready and deployed, the vulnerability will be disclosed publicly with credit to the reporter (unless you prefer to remain anonymous).
+
+## Scope
+
+This package is a computation library. It performs no network requests, reads no files, and holds no credentials. It depends on `nrel-spa` for solar position calculations. If you find a vulnerability in `nrel-spa`, report it to that package separately.

.github/wiki/_Footer.md

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+[npm](https://www.npmjs.com/package/pray-calc) · [GitHub](https://github.com/acamarata/pray-calc) · [Changelog](https://github.com/acamarata/pray-calc/blob/main/CHANGELOG.md) · MIT License

.github/wiki/_Sidebar.md

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+## pray-calc
+
+**[Home](Home)**
+
+**Reference**
+- [API Reference](API-Reference)
+- [Architecture](Architecture)
+
+**Algorithm**
+- [Dynamic Algorithm](Dynamic-Algorithm)
+- [Twilight Physics](Twilight-Physics)
+- [Asr Calculation](Asr-Calculation)
+- [High Latitude](High-Latitude)
+- [Traditional Methods](Traditional-Methods)
+
+**Research**
+- [Research Overview](Research)
+- [Methodology](Research-Methodology)
+- [Observational Evidence](Research-Observational-Evidence)
+- [Global Study](Research-Global-Study)
+- [Home Territory](Research-Home-Territory)
+- [Verified Observations](Research-Verified-Observations)
+
+**Migration**
+- [Moon Migration](Moon-Migration)
+
+**Contributing**
+- [Contributing](Contributing)
+- [Code of Conduct](CODE_OF_CONDUCT)
+- [Security](SECURITY)
+
+**Links**
+- [npm](https://www.npmjs.com/package/pray-calc)
+- [GitHub](https://github.com/acamarata/pray-calc)
+- [Changelog](https://github.com/acamarata/pray-calc/blob/main/CHANGELOG.md)