feat(dashboard): add canonical result table

[christso]

Bead: av-2s7.3

Summary

• Added a shared canonical ResultTable model/component with built-in views, URL-backed search/filter state, and display column controls.
• Replaced run detail and suite drill-down result browsing with the canonical table, including status, score, duration, cost/tokens, model/target, and dynamic grader columns.
• Renamed result-table UI/model terminology from scorer to grader, with compatibility for legacy results_scorer URL state.
• Aligned project-scoped feedback read/write paths so Unreviewed state works consistently in project contexts.
• Updated agent verification instructions to publish screenshot evidence to agentv-private evidence branches.

Verification

• bun --filter @agentv/dashboard test - 101 pass
• bun run typecheck - pass
• bun run lint - pass
• bun --filter @agentv/dashboard build - pass; existing Vite large-chunk warning
• Browser UAT with production dashboard bundle and temp 4-row fixture: verified grader presets/copy, search/grader/display URL state, stable row links, mobile horizontal table scrolling, and no visible overflow findings.

Screenshot Evidence

Private evidence branch: https://github.com/EntityProcess/agentv-private/tree/evidence/av-2s7.3-dashboard-result-table/evidence/av-2s7.3-dashboard-result-table

Private evidence commit: 06c9f46bb64e2185c1c73ef3c9c8dada8e18840a

Files:

• desktop-initial.png
• desktop-filtered-display.png
• mobile-default.png
• mobile-table.png

Local copies remain at /tmp/agentv-dashboard-result-table-evidence/ for this session only.

Residual Risks

• UAT fixture server emitted repeated git ls-tree agentv/results/v1 warnings because the temp fixture lacks the configured results branch; the local UI/API path still served and verified correctly.
• Project-scoped row link construction is implemented in the shared table; the browser fixture was single-run/unregistered, so project-scoped route evidence is covered by source/typecheck rather than fixture UAT.

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