feat: initialize glasswing research repository

Research environment for tracking Anthropic's Project Glasswing —
a gated cybersecurity initiative using Claude Mythos Preview to find
zero-day vulnerabilities at scale. Announced 2026-04-07.

Includes comprehensive research notes, 14-source index, and
project structure for ongoing tracking.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

CLAUDE.md

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+# Project Glasswing Research
+
+## What This Is
+
+Research repository tracking Anthropic's Project Glasswing — a gated cybersecurity initiative using Claude Mythos Preview to find zero-day vulnerabilities at scale. Announced 2026-04-07.
+
+## Key Facts
+
+- **Not a product/SDK/framework** — it's a partner-only cybersecurity program
+- **Model**: Claude Mythos Preview (successor to Opus 4.6, not publicly available)
+- **Partners**: 12 launch (AWS, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMorganChase, Linux Foundation, Microsoft, NVIDIA, Palo Alto Networks) + 40 more
+- **Funding**: $100M in usage credits, $2.5M to OpenSSF, $1.5M to Apache
+
+## Directory Layout
+
+| Path | Contents |
+|------|----------|
+| `docs/research-notes.md` | Main research synthesis |
+| `docs/reference/` | Deep-dive documents on specific subtopics |
+| `docs/sources/` | Source tracking and URL index |
+| `DECISIONS.md` | Research direction decisions |
+
+## Research Conventions
+
+- All claims should cite sources — this is a research project, not implementation
+- Track verification status: many Glasswing claims are unverifiable (>99% of vulns undisclosed)
+- Date-stamp findings — this is a fast-moving story (announced 2026-04-07)