docs: normalize prose to one paragraph per line

[joseindie]

What

Reflows hard-wrapped paragraphs (manual breaks at ~80-110 columns) into single-line paragraphs across the four core prose docs:

• README.md
• AGENTS.md
• VISION.md
• docs/architecture.md

Strictly whitespace-only — verified mechanically: collapsing all whitespace in before/after produces byte-identical text for every file. Code blocks, tables, headings, list items, and raw HTML (badges) are untouched.

Why

The docs currently mix one-sentence-per-line, wrapped-at-100-col, and full-paragraph styles. The 100-column wraps render as visible mid-sentence breaks in editors and note tools that display single newlines literally (Obsidian and similar), and they complicate copy-pasting prose elsewhere. One paragraph per line is already the style of several sections in these files; this makes it consistent and keeps future diffs readable (a sentence edit touches its paragraph line only).

Scope note

Limited to the four core docs to keep review tractable; happy to extend the same normalization to docs/*.md in a follow-up if this direction is welcome.

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge because it only normalizes prose layout and introduces no actionable behavioral or documentation defect.

The changed files retain the same wording, Markdown structure, operational requirements, and alignment with VISION.md.

_{Reviews (1): Last reviewed commit: "docs: normalize prose to one paragraph p..." | Re-trigger Greptile}