Added Spanish translation.

Reviewed-on: #1
Co-authored-by: Wally Hackenslacker <mastor89@protonmail.com>
Co-committed-by: Wally Hackenslacker <mastor89@protonmail.com>

docs/superpowers/plans/2026-03-20-preferences-language-toggles.md

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+# Preferences Language Toggles Implementation Plan
+
+> **For agentic workers:** REQUIRED: Use superpowers:subagent-driven-development (if subagents available) or superpowers:executing-plans to implement this plan. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** Add a Language section to Preferences with two mutually exclusive toggles that switch active game language between default (`None`) and Spanish (`"spanish"`), placed to the right of Skip.
+
+**Architecture:** Extend the existing top preferences row in `screen preferences()` by adding one `radio`-styled `vbox` section for language controls. Use Ren'Py built-in `Language(...)` actions for immediate language switching and selected-state semantics. Update Spanish translation strings so button labels follow Option B behavior (`English/Inglés`, `Spanish/Español` depending on active language).
+
+**Tech Stack:** Ren'Py screen language (`.rpy`), Ren'Py translation files (`game/tl/spanish/*.rpy`), Ren'Py CLI (`renpy.sh` lint/compile/run).
+
+---
+
+## File Structure
+
+- Modify: `game/screens.rpy` (preferences layout and language toggle actions)
+- Modify: `game/tl/spanish/screens.rpy` (translations for `Language`, `English`, `Spanish`)
+- Reference: `docs/superpowers/specs/2026-03-20-preferences-language-toggles-design.md`
+
+Notes:
+- Keep all work in the currently active local translation branch.
+- Do not create or use git worktrees for this task (required for local playtesting workflow).
+- Follow existing `Display`/`Skip` section layout and style patterns.
+
+## Chunk 1: Preferences UI Section
+
+### Task 1: Add Language block in top preferences row
+
+**Files:**
+- Modify: `game/screens.rpy` (inside `screen preferences()` first `hbox` near existing `Display` and `Skip` blocks)
+
+- [ ] **Step 1: Baseline acceptance check (expected to fail current requirement)**
+
+Run: `"renpy.sh" "/home/$USER/Documentos/Renpy Projects/Soul Droid Chat" run`
+Expected baseline: Preferences has no `Language` section to the right of `Skip`.
+
+- [ ] **Step 2: Add Language section with matching style/title**
+
+In `screen preferences()` first `hbox`, add this `vbox` immediately after the existing `Skip` `vbox`:
+
+```renpy
+vbox:
+    style_prefix "radio"
+    label _("Language")
+    textbutton _("English") action Language(None)
+    textbutton _("Spanish") action Language("spanish")
+```
+
+Implementation details:
+- Keep section placement in the same `hbox` that contains `Display` and `Skip`.
+- Keep title wrapped in `_()`.
+- Use `style_prefix "radio"` so title/button appearance matches established pattern.
+
+- [ ] **Step 3: Run lint to validate screen syntax after UI change**
+
+Run: `"renpy.sh" "/home/$USER/Documentos/Renpy Projects/Soul Droid Chat" lint`
+Expected: No new lint errors from preferences screen edits.
+
+## Chunk 2: Translation Labels and End-to-End Validation
+
+### Task 2: Add Spanish string mappings for Option B labels
+
+**Files:**
+- Modify: `game/tl/spanish/screens.rpy` (within `translate spanish strings:`)
+
+- [ ] **Step 1: Add/confirm Spanish translations for new strings**
+
+Ensure these mappings exist exactly once in `game/tl/spanish/screens.rpy`:
+
+```renpy
+old "Language"
+new "Idioma"
+
+old "English"
+new "Inglés"
+
+old "Spanish"
+new "Español"
+```
+
+- [ ] **Step 2: Verify compile after translation update**
+
+Run: `"renpy.sh" "/home/$USER/Documentos/Renpy Projects/Soul Droid Chat" compile`
+Expected: Successful compile.
+
+- [ ] **Step 3: Manual smoke test for behavior and mutual exclusivity**
+
+Run: `"renpy.sh" "/home/$USER/Documentos/Renpy Projects/Soul Droid Chat" run`
+
+Validate in Preferences:
+- `Language` section appears to the right of `Skip`.
+- `Language` title style matches `Display` and `Skip` titles.
+- Selecting `English` sets default language (`Language(None)`).
+- Selecting `Spanish` sets Spanish language (`Language("spanish")`).
+- Only one of the two language toggles appears selected at a time.
+- Section title and labels behave per Option B/localization mappings:
+  - Default language active: section title `Language`; buttons `English`, `Spanish`
+  - Spanish active: section title `Idioma`; buttons `Inglés`, `Español`
+  - Switching back to English restores title `Language` and buttons `English`, `Spanish`
+
+## Completion Checklist
+
+- [ ] Language section added with title `_("Language")`.
+- [ ] Section appears to the right of Skip in the preferences top row.
+- [ ] Toggles use `Language(None)` and `Language("spanish")`.
+- [ ] Mutual exclusivity confirmed in UI selected state.
+- [ ] Option B labels confirmed (`English/Inglés`, `Spanish/Español` by active language).
+- [ ] `lint` and `compile` completed successfully.
+- [ ] Manual run smoke check completed.