Improve terminal rendering and agent discovery - #15
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## Why WebGL block glyphs use fractional octant boundaries that can expose blended seams when a terminal cell is seven device pixels wide. Snapping every narrow boundary would instead collapse thin strokes or intentional gaps. ## What changed - Snap shared block boundaries only when all used octants stay distinct. - Preserve fractional rendering as the fallback for unsafe narrow glyph axes. - Document the downstream patch and its upstream xterm.js proposal. - Cover seamless quadrants and visible one-eighth strokes at seven pixels. ## Testing Browser coverage includes the full StandTerm interaction suite, seamless seven-pixel quadrant composition, and non-collapsing narrow strokes. Static-site coverage includes the updated documentation links and prose.
## Why A StandTerm tab may contain a shell, TUI, login prompt, passive log stream, or another application state. Probe input can alter that state, while credential prompts require an explicit browser handoff. ## What changed - Require read-only text or screenshot orientation and ask the user when context remains uncertain. - Preserve browser-owned tab settings and SSH key use while keeping credential material outside agent channels. - Add a focused privileged HITL workflow and keep terminal I/O in the external-agent substrate. - Clarify that output and quiet waits report activity rather than semantic completion. ## Testing Documentation coverage includes the skill file layout, concise install and boot prompts, valid frontmatter fields, internal links, ASCII-only skill content, and static-site rendering.
## Why Terminal content sits flush against pane boundaries, which can make a bar cursor at column zero appear clipped. OSC titles stay inside xterm, and browser smoke instances can overwrite the live discovery pointer. ## What changed - Add compact terminal padding and a transparent-track scrollbar while preserving the existing tab layout. - Show sanitized OSC 0/2 titles in an optional fixed status column, keep tab labels unchanged, and hide empty titles. - Add cursor-edge and title coverage while preventing browser smoke servers from writing the global current-agentinfo pointer. ## Testing Covered WebGL bar cursors at columns zero and one, Unicode and block glyph rendering, terminal padding, OSC title visibility and truncation, preference persistence, and smoke discovery isolation.
## Why External-agent discovery can start outside the StandTerm checkout, while the global current pointer is last-writer-wins. Treating a bare port or stale pointer as authoritative can select the wrong instance or downgrade HTTPS. ## What changed - Require an exact loopback HTTP(S) scheme and port, and ask for a token-free browser origin when bootstrap metadata is unavailable. - Define same-user and same-runtime zero-configuration scope, with a single localhost attempt across Windows and WSL. - Preserve explicit handoffs, startup-banner metadata, loopback authorization, and user-supplied advanced transports as fallbacks. ## Testing Covered Windows and WSL localhost agentinfo access, canonical skill prompt consistency, static documentation validation, and whitespace checks.
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Why
Narrow WebGL cells and pane-edge placement can leave block glyph seams or make a column-zero bar cursor appear clipped. Terminal application titles are not visible outside xterm, while external-agent discovery can select a stale instance when it relies on cwd, a bare port, or the last-writer current pointer.
What changed
Testing