Release v5.4.0

• chore(release): bump version to 5.4.0 (15092d5)
• style: add background and color to tool-calling badge in model list (75bfb0d)
• feat: add Disabler module to bypass fullscreen checks on vseosvita.ua (1d241e3)
• docs(readme): update Kiwi Browser install link to GitHub release (88cd422)
• Revert "fix(popup): add viewport meta for mobile scaling" (46c6313)
• Revert "style(popup): make popup fullscreen on mobile viewports" (99c26ff)
• feat(popup): show API capability badges (vision, reasoning, tool calling) in model list (8aef18f)
• style(popup): make popup fullscreen on mobile viewports (8fb5b73)
• fix(popup): add viewport meta for mobile scaling (0351d29)
• Merge pull request #20 from aartzz/feature/issue-18-consensus-mode (25ebaad)
• refactor(popup): wire consensus toggle, per-run provider select, and active provider default (cdbb63c)
• fix(consensus): respect enabled flag before executing consensus runs (6b383b4)
• style(popup): add provider select and answer-only label styles for consensus runs (f28a3f2)
• feat(popup): add explicit consensus mode toggle and remove empty hint (bdcbfb6)
• refactor(popup): redesign consensus UI and fix model fetch bug (b112cad)
• style(popup): redesign consensus run cards to match new UI (53bf467)
• feat(popup): add consensus hint above additional models list (c876cce)
• fix(helper): allow refresh while AI is still processing (24dba94)
• feat(consensus): add helper card consensus tab styles with hidden scrollbar (767b26e)
• feat(popup): add consensus UI in AI tab with searchable model panels (0933836)
• fix(match): preserve decimal commas in answer normalization (313acc8)
• feat(consensus): add consensus execution branch with tab UI (a2e7277)
• feat(consensus): add per-run overrides to AI pipeline functions (2dc777e)
• feat(consensus): add consensus core logic + settings defaults (bfba7f8)