docs(readme): align quickstart clone url and bilingual gate prompts

[nicolasvd]

PR Walkthrough — Align Quickstart Clone URL and Bilingual Gate Prompts

Closes #26

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📌 Context & Objectives

Prior to the public v1.0.0 release, this PR ensures that the repository is 100% copy-paste ready for external evaluators and supports international developers:

1. Quickstart Clone URL: Replaced generic <owner> placeholder with nicolasvd in README.md.
2. Bilingual Human Validation Prompts: Extended human confirmation prompts across README.md, AGENTS.md, ARCHITECTURE.md, rules, and templates:
   • Gate 3.5: ("Tu peux merger" / "Approve merge")
   • Conditional P2 Gate: ("skip design" / "sans design")

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🚀 Key Changes Delivered

• README.md:
  • Quickstart step 1 updated with copy-pasteable clone command (https://github.com/nicolasvd/agentic-android-delivery-kernel.git).
  • Mermaid diagram Gate 3.5 label and text updated to ('Tu peux merger' / 'Approve merge').
  • Conditional P2 design gate updated to (*"skip design"* / *"sans design"*).
• AGENTS.md:
  • Gate 3.5 confirmation updated to (*"Tu peux merger"* / *"Approve merge"*).
• ARCHITECTURE.md:
  • Mermaid state diagram Gate 3.5 note updated to ('Tu peux merger' / 'Approve merge').
• Rules, Skills & Templates:
  • .agent/rules/agent-lifecycle.md
  • .agent/rules/git-workflow.md
  • .agent/skills/open-pr/SKILL.md
  • .agent/personas/p6-release-manager.md
  • .agent/templates/pr-walkthrough.md
  • .github/PULL_REQUEST_TEMPLATE.md

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🛡️ Quality Airbag Verification

Verification Suite	Status	Execution Details
Documentation Contracts (validate-docs.sh)	✅ 38/38 Passing	Validated byte budgets and permissions across all files.
Runtime Guardrails (test-runtime-guardrails.mjs)	✅ 20/20 Passing	Verified PoLP and runtime bypass defenses.
Android Code Sanity (quality-check.sh)	✅ Passing (401ms)	Kotlin Progressive compiler, Android Lint Debug & Release, Roborazzi tests.
Pre-Commit Airbag Hook	✅ Passing	Executed automatically on commit 95790b6.