components: FullScreenPicker takes an optional actions slot

Forwards a trailing app-bar `actions` lambda through to CollapsingScaffold,
so a full-screen picker can carry a commit/extra action — a custom-value
Add/OK, a Reset — instead of being select-and-dismiss only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -46,7 +46,9 @@ are no binary releases; "version" tracks the shared `version` in the root build
     `largeTopBar = false` for a pinned single-line bar (the picker variant).
   - `FullScreenPicker` / `OptionPicker` — the full-screen single-select picker,
     now over a pinned single-line bar (a picker is a short list, so no tall
-    collapsing header to scroll past).
+    collapsing header to scroll past). `FullScreenPicker` takes an optional
+    `actions` slot (app-bar trailing items) for pickers that carry a commit or
+    extra action — a custom-value **Add**/**OK**, a **Reset**.
   - `ReorderableColumn` — dependency-free drag-to-reorder for the short, fixed
     grouped-card Settings lists; pairs with `GroupedRow(gapBelow = false)`, which
     hands the column uniform control of row spacing.

components/src/main/kotlin/de/jeanlucmakiola/floret/components/OptionPicker.kt

@@ -2,6 +2,7 @@ package de.jeanlucmakiola.floret.components
 
 import android.view.WindowManager
 import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.RowScope
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.Check
 import androidx.compose.material3.Icon
@@ -25,6 +26,7 @@ fun FullScreenPicker(
     title: String,
     onDismiss: () -> Unit,
     predictiveBack: Boolean = false,
+    actions: @Composable RowScope.() -> Unit = {},
     content: @Composable ColumnScope.() -> Unit,
 ) {
     Dialog(
@@ -48,6 +50,7 @@ fun FullScreenPicker(
             onBack = onDismiss,
             largeTopBar = false,
             predictiveBack = predictiveBack,
+            actions = actions,
             content = content,
         )
     }