feat(color-palette): expand PoColorPaletteEnum from 12 to 20 colors

[devin-ai-integration]

feat(color-palette): expand PoColorPaletteEnum from 12 to 20 colors

Summary

Expands the PoColorPaletteEnum from 12 to 20 colors by adding Color13 through Color20 with new hex values. Updates JSDoc documentation across all components that reference the color palette (po-badge, po-tag, po-chart, po-gauge, po-table, po-dynamic-view, po-menu) and fixes unit tests that previously used now-valid color values as out-of-range test cases.

Changes:

• Added 8 new enum members (Color13–Color20) to po-color-palette.enum.ts
• Updated JSDoc color lists in 10 interface/component files
• Updated po-chart-serie docs: fallback to black now starts at 21st series (was 13th)
• Fixed test assertions in po-badge-base.component.spec.ts and po-color-palette.service.spec.ts (color-13/color-20 → color-21 for out-of-range tests)

Review & Testing Checklist for Human

• CSS/SCSS definitions for color-13 through color-20 are MISSING from this PR. Without corresponding .po-color-13 … .po-color-20 class definitions in the stylesheets, these new enum values will be accepted in code but will not visually render any color. This likely needs a companion SCSS change before the feature is usable.
• Verify the chosen hex values (#1a7a4f, #4a8c2a, #d4a017, #d47217, #c43a6a, #7a2dc8, #3f6ec8, #1ab5c8) are appropriate for the design system. These were not sourced from an existing design token set — confirm they meet brand/accessibility contrast requirements.
• Verify badge color validation works correctly with the expanded range — specifically that po-badge-base.component.ts's color setter dynamically derives valid values from the enum rather than using a hardcoded range.
• Test plan: Run npm run test:ui locally and confirm all 8483 specs pass. Then visually test a component (e.g., po-tag or po-badge) with color-13 through color-20 to confirm whether colors render (they likely won't until SCSS is added).

Notes

• The PoColorPaletteService and PoColorService use Object.values(PoColorPaletteEnum) internally, so they automatically pick up the new values without code changes.
• Requested by: wemerson.guimaraes
• Link to Devin Session

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✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 3 additional findings.