[karthikmudunuri]

Summary

Seven independent PPTX import-fidelity fixes, each found by diffing a real brand-template deck against PowerPoint's render. Every fix ships with its own changeset (all patch) and a focused regression test.

#	Fix	Symptom it cures
1	grpFill inheritance	Shapes using <a:grpFill/> collapsed to transparent — decorative custGeom line-art vanished. Now inherit the enclosing group's fill.
2	gradient text	Runs with <a:gradFill> resolved to black and disappeared on dark slides. Now render as a CSS gradient via background-clip: text; edited runs degrade to a representative stop on export.
3	underlay z-order	Layout/master decorations were emitted grouped by tag, so an opaque full-slide background <p:pic> painted over the gradient and washed out the slide. Now emitted in document order.
4	flowChartTerminator	The pill-shaped "Learn More" button imported as a sharp rect. Now a rounded pill (radius = min(w,h)/2).
5	font weights	Google Fonts loaded only weight 400, so bold titles rendered thin. Now requests the deck's actual weights (family=Name:wght@400;700).
6	shape drop shadows	<a:outerShdw> was never parsed, so white cards on a white slide became invisible. Now parsed into ShadowSpec for shapes and card-backed text.
7	fontRef text colour	An uncoloured run ignored the shape's <p:style><a:fontRef> colour and fell back to dark — a white-on-card label (lt1) showed as stray dark text. Now inherits the fontRef colour (non-placeholder shapes outrank the master default).

Files

• lib/pptx/pptxToDeck.ts — import logic for 1, 2, 3, 4, 6, 7
• components/editor/ElementView.tsx — gradient-text rendering (2), card box-shadow (6)
• lib/pptx/deckToPptx.ts — gradient-text export degradation (2)
• lib/fonts.ts + compound/SlidewiseRoot.tsx — weight-aware Google Fonts request (5)

Testing

• New regression tests: grpfill, gradient-text, gradient-text-export, underlay-zorder, flowchart-terminator, font-weights, shape-shadow, fontref-color.
• Full suite: 110 passed, 9 skipped; tsc typecheck clean.
• Round-trip verified (import → export → re-import) for fixes 1–3 on their source decks; shadows/gradients also survive via the existing source-XML round-trip + effectLstXml writer.

Notes

• Branch name (run-dev-server-v1) is incidental — the content is the PPTX fixes above.
• Local eslint couldn't run (missing @eslint/js in this workspace), unrelated to these changes.
• Each fix is independently revertable via its changeset/commit-hunk if you'd prefer to split into multiple PRs.

[karthikmudunuri]

Superseded by a 5-PR stack splitting these fixes into reviewable units (merge in order 1→5): #83 → #80 → #84 → #81 → #82.