Add logo header to README + single-glyph icon font

[HarryCordewener]

Small, self-contained branch off main for the logo/README items (separate from the M5 feature PR).

Changes

• README — center the MuGlyph mark (docs/logo.svg) above the title.
• Icon font — assets/fonts/MuGlyph.ttf, a single-glyph TrueType font carrying the mark at U+E000 (Private Use Area), so users can merge it into their terminal font / Nerd-Font patch and show the logo in the TUI header as a normal character.
• Generator — tools/make-glyph-font.py builds the font from the SVG (scales the 512-unit viewBox to a 1000-unit em and flips the Y axis), plus assets/fonts/README.md documenting regeneration.

Notes

Terminals render text in the user's configured font, so the app can't ship its own glyph — the font is an opt-in for users who want the mark in their terminal; the header falls back to a text label otherwise.

🤖 Generated with Claude Code

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Generated by Claude Code

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: a1160810-cf9e-4e09-b100-598e9ea76e0a

📥 Commits

Reviewing files that changed from the base of the PR and between 86adede and e7bc987.

⛔ Files ignored due to path filters (1)

• assets/fonts/MuGlyph.ttf is excluded by !**/*.ttf

📒 Files selected for processing (3)

• README.md
• assets/fonts/README.md
• tools/make-glyph-font.py

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch claude/logo-readme

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