diff --git a/.planning/phases/11-ui-enhancements/11-CONTEXT.md b/.planning/phases/11-ui-enhancements/11-CONTEXT.md
new file mode 100644
index 0000000..fbb3e30
--- /dev/null
+++ b/.planning/phases/11-ui-enhancements/11-CONTEXT.md
@@ -0,0 +1,101 @@
+# Phase 11: UI Enhancements - Context
+
+**Gathered:** 2026-04-15
+**Status:** Ready for planning
+
+
+## Phase Boundary
+
+Improve daily usability of ImpTune with five targeted UI changes: printer editing via modal, better form/list layout separation, client-scoped navigation, dark/light theme toggle, and bilingual FR/EN support. No new backend capabilities — pure frontend/UX improvements on top of the v1.0 base.
+
+
+
+
+## Implementation Decisions
+
+### Printer Edit (UIE-01)
+- Edit button added to each row in the Actions column, next to the existing Delete button (small button, labelled "Edit")
+- Clicking Edit opens a native HTML `
+
+
+## Existing Code Insights
+
+### Reusable Assets
+- `imptune/templates/base.html`: `` — Pico CSS theme support already wired; just toggle the attribute value
+- `imptune/templates/partials/printer_form.html`: HTMX + Alpine.js form with all printer fields — reuse this markup for the edit modal (change form action to PATCH `/printers/{id}`)
+- `imptune/templates/partials/printer_list.html`: Actions column already exists with Delete button — Edit button slots in alongside it
+- `imptune/static/pico.min.css`: Native `` styling included in Pico CSS; no extra modal library needed
+- `imptune/static/app.css`: CSS variables via Pico tokens (`--pico-primary`, `--pico-muted-border-color`) — theme toggle inherits correctly without extra CSS
+
+### Established Patterns
+- HTMX for server interactions: targets, swaps, and OOB responses — edit PATCH should follow the same pattern as Delete (refresh `#printer-list` on success)
+- Alpine.js for client-side reactivity: `x-data`, `x-model`, `@input` — translation store fits naturally as a global Alpine store
+- Jinja2 `{% include %}` for partials — edit modal can be a new partial included in the pages that need it
+- No page reloads for list mutations — maintain this pattern for edit (HTMX in-place update)
+
+### Integration Points
+- `/printers` route (GET): currently renders form + list — remove form, render list only + "Add Printer" button
+- `/printers/new` route (GET): new route, renders the add-printer form page
+- `/printers` route (POST): unchanged — still handles printer creation, but now redirects to `/printers` after success
+- `/printers/{id}` route (PATCH): new route — handles edit form submission, returns updated printer list HTML
+- `/clients/{id}` route (GET): new route — renders client page with filtered printer list
+- `base.html`: add top-right controls area (theme icon + language toggle) visible on all pages
+
+
+
+
+## Specific Ideas
+
+- Top-right corner should have both theme icon and FR/EN toggle together as a small control group
+- The Add Printer button on `/printers` should feel prominent enough that it's not missed when the form is gone from the page
+- Edit modal should feel lightweight — just the fields, a Save button, and a way to close/cancel
+
+
+
+
+## Deferred Ideas
+
+None — discussion stayed within phase scope.
+
+
+
+---
+
+*Phase: 11-ui-enhancements*
+*Context gathered: 2026-04-15*