experiment: better web picker using @pierre/tree

package.json

@@ -148,6 +148,7 @@
     "@ai-sdk/xai@3.0.82": "patches/@ai-sdk%2Fxai@3.0.82.patch",
     "gcp-metadata@8.1.2": "patches/gcp-metadata@8.1.2.patch",
     "pacote@21.5.0": "patches/pacote@21.5.0.patch",
-    "@ai-sdk/google@3.0.73": "patches/@ai-sdk%2Fgoogle@3.0.73.patch"
+    "@ai-sdk/google@3.0.73": "patches/@ai-sdk%2Fgoogle@3.0.73.patch",
+    "@pierre/trees@1.0.0-beta.4": "patches/@pierre%2Ftrees@1.0.0-beta.4.patch"
   }
 }

packages/app/package.json

@@ -47,6 +47,7 @@
     "@opencode-ai/core": "workspace:*",
     "@opencode-ai/sdk": "workspace:*",
     "@opencode-ai/ui": "workspace:*",
+    "@pierre/trees": "1.0.0-beta.4",
     "@sentry/solid": "catalog:",
     "@shikijs/transformers": "3.9.2",
     "@solid-primitives/active-element": "2.1.3",

packages/app/src/components/dialog-select-directory-v2.css

@@ -0,0 +1,107 @@
+.directory-picker-v2-body {
+  display: flex;
+  min-height: 0;
+  flex: 1;
+  flex-direction: column;
+  gap: 12px;
+  padding: 2px 16px 0;
+}
+
+.directory-picker-v2-path {
+  position: relative;
+  z-index: 10;
+  display: flex;
+  gap: 8px;
+}
+
+.directory-picker-v2-actions {
+  display: flex;
+  flex-shrink: 0;
+  gap: 2px;
+}
+
+.directory-picker-v2-suggestions {
+  position: absolute;
+  z-index: 20;
+  top: 36px;
+  right: 0;
+  left: 0;
+  display: flex;
+  flex-direction: column;
+  padding: 4px;
+  border: 1px solid var(--v2-border-border-base);
+  border-radius: 6px;
+  background: var(--v2-background-bg-layer-02);
+  box-shadow: var(--v2-elevation-overlay);
+}
+
+.directory-picker-v2-suggestions button {
+  overflow: hidden;
+  padding: 6px 8px;
+  border-radius: 4px;
+  color: var(--v2-text-text-muted);
+  font-size: 12px;
+  text-align: left;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.directory-picker-v2-suggestions button:hover,
+.directory-picker-v2-suggestions button[data-active] {
+  color: var(--v2-text-text-base);
+  background: var(--v2-overlay-simple-overlay-hover);
+}
+
+.directory-picker-v2-browser {
+  position: relative;
+  z-index: 0;
+  isolation: isolate;
+  min-height: 0;
+  flex: 1;
+  overflow: auto;
+  border: 1px solid var(--v2-border-border-base);
+  border-radius: 6px;
+  background: transparent;
+}
+
+.directory-picker-v2-tree {
+  display: block;
+  width: 100%;
+  height: 100%;
+  --trees-bg-override: transparent;
+  --trees-fg-override: var(--v2-text-text-base);
+  --trees-fg-muted-override: var(--v2-text-text-muted);
+  --trees-bg-muted-override: transparent;
+  --trees-selected-bg-override: transparent;
+  --trees-selected-fg-override: var(--v2-text-text-base);
+  --trees-selected-focused-border-color-override: transparent;
+  --trees-focus-ring-color-override: transparent;
+  --trees-focus-ring-width-override: 0px;
+  --trees-focus-ring-offset-override: 0px;
+  --trees-border-color-override: var(--v2-border-border-base);
+  --trees-font-family-override: var(--font-family-sans);
+  --trees-font-size-override: 12px;
+  --trees-item-height: 24px;
+  --trees-border-radius-override: 4px;
+}
+
+.directory-picker-v2-state {
+  position: absolute;
+  z-index: 1;
+  inset: 0;
+  display: grid;
+  place-items: center;
+  color: var(--v2-text-text-muted);
+  font-size: 12px;
+  pointer-events: none;
+}
+
+.directory-picker-v2-selection {
+  overflow: hidden;
+  flex-shrink: 0;
+  color: var(--v2-text-text-muted);
+  font-size: 12px;
+  line-height: 16px;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}