[richard-epsilla]

Two display fixes found in end-to-end kit runs on staging (2026-10-19).

Sheets: citations in a cell read as links. An agent cell keeps its inline Markdown citations by design (cellAnswer), but the grid showed them raw: "Zero-ops hybrid retrieval for AI apps ([docs.trychroma.com]…". linkParts (lib/answer.js) splits a value into text and link parts. Each [text](address) with an http or https address is drawn as a small link named by its text. It opens in a new tab (noopener noreferrer) and doesn't select the cell. Any other address (javascript:, mailto:, relative) stays text exactly as written. Nothing is set with dangerouslySetInnerHTML. The stored value and the export are unchanged.

Dashboards: value axis labels fit the panel. A horizontal bar chart's value axis ended on "18,000,0". ECharts centres the last label on the axis end, and half of a long label hangs past the grid's right margin, which containLabel doesn't count. In chartOption:

• a value axis with no formatter of its own gets compact ticks (18M, 1.2K; values under a thousand as written);
• a horizontal value axis ends its last label at the axis end (alignMaxLabel: 'right', ECharts 5.6);
• the grid holds its labels unless the chart set the grid.

A formatter, alignment or grid the chart wrote is always kept.

Tests (node --test; the new ones failed on main because the exports didn't exist):

• sheets answer.test.mjs: 11 to 15. A link becomes a link part; a non-http address stays text; plain or empty values; parentheses in an address; two links.
• dashboard dashboard.test.mjs: 28 to 33. Horizontal and vertical value axes; the chart's own formatter and alignment kept; several axes; grid kept when the chart set it.
• Whole npm test: sheets 56 to 60, dashboard 47 to 52. The same 1 and 2 files fail on main in a clone without node_modules, because reifyui isn't installed.

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