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refactor(planner): HTMX server-render refactor — eliminate JS SPA

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Replace the 847-line client-side planner with an HTMX architecture:
- All tab content (CAPEX, Operating, Cash Flow, Returns, Metrics) rendered
  server-side as Jinja2 partials; slider changes POST to /planner/calculate
  which returns HTML; HTMX swaps into #tab-content
- Merge _PLANNER_TRANSLATIONS into _TRANSLATIONS; delete get_planner_translations()
  and window.__PADELNOMICS_LOCALE__; all strings now {{ t.key }} in templates
- New form_to_state() and augment_d() helpers in routes.py; calculate endpoint
  returns HTML instead of JSON; OOB swaps update header tag + wizard preview
- Add 5 Jinja2 filters: fmt_currency, fmt_k, fmt_pct, fmt_x, fmt_n
- Rewrite planner.js to ~200 lines: chart init on htmx:afterSettle, slider sync,
  toggle management, wizard nav, scenario save/load, reset to defaults
- Add 7 new template partials: tab_capex, tab_operating, tab_cashflow,
  tab_returns, tab_metrics, calculate_response, court_summary, wizard_preview
- Update test_phase0 to match new HTML-returning /calculate endpoint

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Deeman
2026-02-20 17:12:28 +01:00
parent e6f4c0a540
commit 7c710ada6b
15 changed files with 1446 additions and 1327 deletions
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4
CHANGELOG.md
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@@ -7,6 +7,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
## [Unreleased]
### Changed
- planner: full HTMX refactor — replaced 847-line SPA `planner.js` with server-rendered Jinja2 tab partials; planner now uses `hx-post /planner/calculate` + form state; all tab content (CAPEX, Operating, Cash Flow, Returns, Metrics) rendered server-side; Chart.js data embedded as `<script type="application/json">` tags, re-initialized on `htmx:afterSettle`; new `planner.js` is ~200 lines (chart init, slider sync, toggle management, wizard nav, scenario save/load)
- planner/i18n: merged `_PLANNER_TRANSLATIONS` (~200 keys × 2 languages) into `_TRANSLATIONS`; deleted `get_planner_translations()` and `window.__PADELNOMICS_LOCALE__`; all planner strings now via standard `{{ t.key }}` Jinja2 template variables; adding a new language = one section in `_TRANSLATIONS`
- planner/routes: `/planner/calculate` endpoint now returns HTML partial (HTMX) instead of JSON; added `form_to_state()` for form serialization, `augment_d()` for chart data + sensitivity table computation, `COUNTRY_PRESETS` dict; `index()` passes full calc result to template on initial load
- app: added 5 Jinja2 template filters — `fmt_currency`, `fmt_k`, `fmt_pct`, `fmt_x`, `fmt_n` — replacing equivalent JS formatting functions
- copy: switch all German UI copy from formal "Sie/Ihr" to informal "Du/Dein" — covers i18n.py (~60 keys), planner wizard step titles/subtitles, export waitlist page, quote wizard steps, quote submitted/verify pages, directory supplier detail, directory results partial, supplier signup step 4, supplier waitlist confirmed page
- copy: replace "Platz-Anbieter" with "Anbieter" in CTAs; "Anlage" → "Padel-Platz" in planner wizard step 1 title/subtitle and planner translations (wiz_venue, sl_budget_target); "Anlageplanung" → "Padelplatz-Planung" in service checklist
- copy: update directory H1 to SEO multi-term "Padelplatz-Hersteller, Platzbauer & Anbieter"; subheading now mentions Hersteller, Platzbauer, schlüsselfertige Lösungen