add Repo Managment / Kontext Menu in Braches

src/lib/components/BranchPanel.svelte

@@ -1,7 +1,46 @@
 <script lang="ts">
-  import { Check, ChevronDown, ChevronRight, GitBranch, GitMerge, Plus, X } from "@lucide/svelte";
+  import { Check, ChevronDown, ChevronRight, Folder, FolderOpen, GitBranch, GitMerge, Pencil, Plus, Trash2, X } from "@lucide/svelte";
   import type { GitBranch as GitBranchInfo } from "../types";
 
+  type BranchTreeNode = BranchFolderNode | BranchLeafNode;
+
+  interface BranchFolderNode {
+    kind: "folder";
+    id: string;
+    name: string;
+    children: BranchTreeNode[];
+    branchCount: number;
+    current: boolean;
+    folders: Map<string, BranchFolderNode>;
+  }
+
+  interface BranchLeafNode {
+    kind: "branch";
+    id: string;
+    branch: GitBranchInfo;
+    displayName: string;
+  }
+
+  type BranchRow = BranchFolderRow | BranchLeafRow;
+
+  interface BranchFolderRow {
+    kind: "folder";
+    id: string;
+    name: string;
+    depth: number;
+    branchCount: number;
+    current: boolean;
+  }
+
+  interface BranchLeafRow {
+    kind: "branch";
+    id: string;
+    branch: GitBranchInfo;
+    displayName: string;
+    depth: number;
+    scopeLabel: string;
+  }
+
   interface Props {
     branches: GitBranchInfo[];
     localBranches: GitBranchInfo[];
@@ -11,6 +50,8 @@
     onCheckout: (branch: GitBranchInfo) => void;
     onMerge: (branch: GitBranchInfo) => void;
     onCreateBranch: (branchName: string) => void | Promise<void>;
+    onRenameBranch: (branch: GitBranchInfo) => void | Promise<void>;
+    onDeleteBranch: (branch: GitBranchInfo) => void | Promise<void>;
   }
 
   let {
@@ -22,6 +63,8 @@
     onCheckout = () => {},
     onMerge = () => {},
     onCreateBranch = () => {},
+    onRenameBranch = () => {},
+    onDeleteBranch = () => {},
   }: Props = $props();
 
   let localOpen = $state(true);
@@ -29,6 +72,118 @@
   let createOpen = $state(false);
   let newBranchName = $state("");
   let createInput = $state<HTMLInputElement | null>(null);
+  let panelElement = $state<HTMLElement | null>(null);
+  let contextBranch = $state<GitBranchInfo | null>(null);
+  let contextMenuX = $state(0);
+  let contextMenuY = $state(0);
+  let collapsedBranchFolders = $state<Set<string>>(new Set());
+
+  let localBranchRows = $derived(buildBranchRows("local", localBranches, "local"));
+  let remoteBranchRows = $derived(buildBranchRows("remote", remoteBranches, "remote"));
+
+  function createFolder(id: string, name: string): BranchFolderNode {
+    return {
+      kind: "folder",
+      id,
+      name,
+      children: [],
+      branchCount: 0,
+      current: false,
+      folders: new Map(),
+    };
+  }
+
+  function buildBranchRows(scope: string, branchList: GitBranchInfo[], scopeLabel: string): BranchRow[] {
+    const root = createFolder(`${scope}:root`, "");
+
+    for (const branch of branchList) {
+      const parts = branch.name.split("/").filter(Boolean);
+      const displayName = parts.length > 0 ? parts[parts.length - 1] : branch.name;
+      const folderParts = parts.slice(0, -1);
+      let parent = root;
+
+      for (let index = 0; index < folderParts.length; index += 1) {
+        const folderName = folderParts[index];
+        const folderPath = folderParts.slice(0, index + 1).join("/");
+        let folder = parent.folders.get(folderName);
+
+        if (!folder) {
+          folder = createFolder(`${scope}:folder:${folderPath}`, folderName);
+          parent.folders.set(folderName, folder);
+          parent.children.push(folder);
+        }
+
+        folder.branchCount += 1;
+        folder.current ||= branch.current;
+        parent = folder;
+      }
+
+      parent.children.push({
+        kind: "branch",
+        id: `${scope}:branch:${branch.name}`,
+        branch,
+        displayName,
+      });
+    }
+
+    sortBranchNodes(root.children);
+
+    const rows: BranchRow[] = [];
+    flattenBranchNodes(root.children, rows, 0, scopeLabel);
+    return rows;
+  }
+
+  function sortBranchNodes(nodes: BranchTreeNode[]) {
+    nodes.sort((left, right) => {
+      if (left.kind !== right.kind) return left.kind === "folder" ? -1 : 1;
+      const leftName = left.kind === "folder" ? left.name : left.displayName;
+      const rightName = right.kind === "folder" ? right.name : right.displayName;
+      return leftName.localeCompare(rightName, undefined, { sensitivity: "base" });
+    });
+
+    for (const node of nodes) {
+      if (node.kind === "folder") sortBranchNodes(node.children);
+    }
+  }
+
+  function flattenBranchNodes(nodes: BranchTreeNode[], rows: BranchRow[], depth: number, scopeLabel: string) {
+    for (const node of nodes) {
+      if (node.kind === "folder") {
+        rows.push({
+          kind: "folder",
+          id: node.id,
+          name: node.name,
+          depth,
+          branchCount: node.branchCount,
+          current: node.current,
+        });
+
+        if (isBranchFolderOpen(node.id)) {
+          flattenBranchNodes(node.children, rows, depth + 1, scopeLabel);
+        }
+      } else {
+        rows.push({
+          kind: "branch",
+          id: node.id,
+          branch: node.branch,
+          displayName: node.displayName,
+          depth,
+          scopeLabel,
+        });
+      }
+    }
+  }
+
+  function isBranchFolderOpen(id: string) {
+    return !collapsedBranchFolders.has(id);
+  }
+
+  function toggleBranchFolder(id: string) {
+    const next = new Set(collapsedBranchFolders);
+    if (next.has(id)) next.delete(id);
+    else next.add(id);
+    collapsedBranchFolders = next;
+  }
 
   function openCreateForm() {
     if (!hasRepository || isBusy) return;
@@ -57,9 +212,49 @@
     if (target?.closest("button")) return;
     onCheckout(branch);
   }
+
+  function openBranchContextMenu(event: MouseEvent, branch: GitBranchInfo) {
+    event.preventDefault();
+    event.stopPropagation();
+    if (isBusy || branch.remote) return;
+
+    const rect = panelElement?.getBoundingClientRect();
+    const rawX = rect ? event.clientX - rect.left : event.offsetX;
+    const rawY = rect ? event.clientY - rect.top : event.offsetY;
+    const maxX = Math.max(8, (rect?.width ?? window.innerWidth) - 192);
+    const maxY = Math.max(8, (rect?.height ?? window.innerHeight) - 92);
+
+    contextBranch = branch;
+    contextMenuX = Math.max(8, Math.min(rawX, maxX));
+    contextMenuY = Math.max(8, Math.min(rawY, maxY));
+  }
+
+  function closeBranchContextMenu() {
+    contextBranch = null;
+  }
+
+  async function renameContextBranch() {
+    const branch = contextBranch;
+    if (!branch || isBusy) return;
+    closeBranchContextMenu();
+    await onRenameBranch(branch);
+  }
+
+  async function deleteContextBranch() {
+    const branch = contextBranch;
+    if (!branch || branch.current || isBusy) return;
+    closeBranchContextMenu();
+    await onDeleteBranch(branch);
+  }
+
+  function handleWindowKeydown(event: KeyboardEvent) {
+    if (event.key === "Escape") closeBranchContextMenu();
+  }
 </script>
 
-<section class="panel grid grid-rows-[auto_1fr] overflow-hidden" aria-label="Branches">
+<svelte:window on:click={closeBranchContextMenu} on:keydown={handleWindowKeydown} />
+
+<section bind:this={panelElement} class="panel branch-panel grid grid-rows-[auto_1fr] overflow-hidden" aria-label="Branches">
   <div class="section-head">
     <div>
       <span class="eyebrow">Branches</span>
@@ -127,34 +322,58 @@
           {#if localBranches.length === 0}
             <div class="branch-empty">No local branches.</div>
           {:else}
-            {#each localBranches as branch (branch.name)}
-              <article
-                class="branch-row"
-                class:current={branch.current}
-                ondblclick={(event) => checkoutOnDoubleClick(event, branch)}
-                title={branch.current ? "Current branch" : "Double-click to checkout"}
-              >
-                <div class="branch-info">
-                  <GitBranch size={16} aria-hidden="true" />
-                  <div>
-                    <strong>{branch.name}</strong>
-                    <span>local</span>
+            {#each localBranchRows as row (row.id)}
+              {#if row.kind === "folder"}
+                <button
+                  class="branch-folder-row"
+                  class:current={row.current}
+                  style={`--branch-indent: ${row.depth * 16}px;`}
+                  type="button"
+                  onclick={() => toggleBranchFolder(row.id)}
+                  aria-expanded={isBranchFolderOpen(row.id)}
+                  title={`${row.name} (${row.branchCount})`}
+                >
+                  {#if isBranchFolderOpen(row.id)}
+                    <ChevronDown size={14} aria-hidden="true" />
+                    <FolderOpen size={15} aria-hidden="true" />
+                  {:else}
+                    <ChevronRight size={14} aria-hidden="true" />
+                    <Folder size={15} aria-hidden="true" />
+                  {/if}
+                  <span class="branch-folder-name">{row.name}</span>
+                  <span class="branch-folder-count">{row.branchCount}</span>
+                </button>
+              {:else}
+                <article
+                  class="branch-row"
+                  class:current={row.branch.current}
+                  style={`--branch-indent: ${row.depth * 16}px;`}
+                  ondblclick={(event) => checkoutOnDoubleClick(event, row.branch)}
+                  oncontextmenu={(event) => openBranchContextMenu(event, row.branch)}
+                  title={row.branch.current ? "Current branch" : row.branch.name}
+                >
+                  <div class="branch-info">
+                    <GitBranch size={16} aria-hidden="true" />
+                    <div>
+                      <strong>{row.displayName}</strong>
+                      <span>{row.scopeLabel}</span>
+                    </div>
                   </div>
-                </div>
-                {#if branch.current}
-                  <span class="pill pill-active">Current</span>
-                {:else}
-                  <div class="branch-actions">
-                    <button class="btn-sm" type="button" onclick={() => onCheckout(branch)} disabled={isBusy}>
-                      Checkout
-                    </button>
-                    <button class="btn-sm" type="button" onclick={() => onMerge(branch)} disabled={isBusy} title="Merge into current">
-                      <GitMerge size={15} aria-hidden="true" />
-                      Merge
-                    </button>
-                  </div>
-                {/if}
-              </article>
+                  {#if row.branch.current}
+                    <span class="pill pill-active">Current</span>
+                  {:else}
+                    <div class="branch-actions">
+                      <button class="btn-sm" type="button" onclick={() => onCheckout(row.branch)} disabled={isBusy}>
+                        Checkout
+                      </button>
+                      <button class="btn-sm" type="button" onclick={() => onMerge(row.branch)} disabled={isBusy} title="Merge into current">
+                        <GitMerge size={15} aria-hidden="true" />
+                        Merge
+                      </button>
+                    </div>
+                  {/if}
+                </article>
+              {/if}
             {/each}
           {/if}
         {/if}
@@ -180,38 +399,87 @@
           {#if remoteBranches.length === 0}
             <div class="branch-empty">No remote branches.</div>
           {:else}
-            {#each remoteBranches as branch (branch.name)}
-              <article
-                class="branch-row"
-                class:current={branch.current}
-                ondblclick={(event) => checkoutOnDoubleClick(event, branch)}
-                title={branch.current ? "Current branch" : "Double-click to checkout"}
-              >
-                <div class="branch-info">
-                  <GitBranch size={16} aria-hidden="true" />
-                  <div>
-                    <strong>{branch.name}</strong>
-                    <span>remote</span>
+            {#each remoteBranchRows as row (row.id)}
+              {#if row.kind === "folder"}
+                <button
+                  class="branch-folder-row"
+                  class:current={row.current}
+                  style={`--branch-indent: ${row.depth * 16}px;`}
+                  type="button"
+                  onclick={() => toggleBranchFolder(row.id)}
+                  aria-expanded={isBranchFolderOpen(row.id)}
+                  title={`${row.name} (${row.branchCount})`}
+                >
+                  {#if isBranchFolderOpen(row.id)}
+                    <ChevronDown size={14} aria-hidden="true" />
+                    <FolderOpen size={15} aria-hidden="true" />
+                  {:else}
+                    <ChevronRight size={14} aria-hidden="true" />
+                    <Folder size={15} aria-hidden="true" />
+                  {/if}
+                  <span class="branch-folder-name">{row.name}</span>
+                  <span class="branch-folder-count">{row.branchCount}</span>
+                </button>
+              {:else}
+                <article
+                  class="branch-row"
+                  class:current={row.branch.current}
+                  style={`--branch-indent: ${row.depth * 16}px;`}
+                  ondblclick={(event) => checkoutOnDoubleClick(event, row.branch)}
+                  title={row.branch.current ? "Current branch" : row.branch.name}
+                >
+                  <div class="branch-info">
+                    <GitBranch size={16} aria-hidden="true" />
+                    <div>
+                      <strong>{row.displayName}</strong>
+                      <span>{row.scopeLabel}</span>
+                    </div>
                   </div>
-                </div>
-                {#if branch.current}
-                  <span class="pill pill-active">Current</span>
-                {:else}
-                  <div class="branch-actions">
-                    <button class="btn-sm" type="button" onclick={() => onCheckout(branch)} disabled={isBusy}>
-                      Checkout
-                    </button>
-                    <button class="btn-sm" type="button" onclick={() => onMerge(branch)} disabled={isBusy} title="Merge into current">
-                      <GitMerge size={15} aria-hidden="true" />
-                      Merge
-                    </button>
-                  </div>
-                {/if}
-              </article>
+                  {#if row.branch.current}
+                    <span class="pill pill-active">Current</span>
+                  {:else}
+                    <div class="branch-actions">
+                      <button class="btn-sm" type="button" onclick={() => onCheckout(row.branch)} disabled={isBusy}>
+                        Checkout
+                      </button>
+                      <button class="btn-sm" type="button" onclick={() => onMerge(row.branch)} disabled={isBusy} title="Merge into current">
+                        <GitMerge size={15} aria-hidden="true" />
+                        Merge
+                      </button>
+                    </div>
+                  {/if}
+                </article>
+              {/if}
             {/each}
           {/if}
         {/if}
       </div>
     </div>
   {/if}
+
+  {#if contextBranch}
+    <div
+      class="branch-context-menu"
+      style={`left: ${contextMenuX}px; top: ${contextMenuY}px;`}
+      role="menu"
+      tabindex="-1"
+      aria-label={`Actions for ${contextBranch.name}`}
+    >
+      <button type="button" role="menuitem" onclick={renameContextBranch} disabled={isBusy}>
+        <Pencil size={14} aria-hidden="true" />
+        Rename
+      </button>
+      <button
+        class="danger"
+        type="button"
+        role="menuitem"
+        onclick={deleteContextBranch}
+        disabled={isBusy || contextBranch.current}
+        title={contextBranch.current ? "Current branch cannot be deleted" : "Delete local branch"}
+      >
+        <Trash2 size={14} aria-hidden="true" />
+        Delete
+      </button>
+    </div>
+  {/if}
 </section>

src/lib/components/RenameBranchDialog.svelte

@@ -0,0 +1,77 @@
+<script lang="ts">
+  import { GitBranch, LoaderCircle, X } from "@lucide/svelte";
+  import type { GitBranch as GitBranchInfo } from "../types";
+
+  interface Props {
+    branch: GitBranchInfo;
+    isBusy: boolean;
+    onRename: (name: string) => void;
+    onClose: () => void;
+  }
+
+  let {
+    branch,
+    isBusy = false,
+    onRename = () => {},
+    onClose = () => {},
+  }: Props = $props();
+
+  let name = $state("");
+
+  $effect(() => {
+    name = branch.name;
+  });
+
+  function submit(event: SubmitEvent) {
+    event.preventDefault();
+    const value = name.trim();
+    if (!value || value === branch.name) return;
+    onRename(value);
+  }
+</script>
+
+<div
+  class="dialog-backdrop"
+  role="presentation"
+  onclick={(e) => { if (e.target === e.currentTarget) onClose(); }}
+>
+  <div class="dialog rename-branch-dialog" role="dialog" aria-modal="true" aria-label="Rename branch" tabindex="-1">
+    <header class="dialog-header">
+      <div>
+        <span class="eyebrow">Rename branch</span>
+        <h2 class="mt-0.5 text-ink text-base font-bold leading-tight">{branch.name}</h2>
+      </div>
+      <button class="dialog-close" type="button" onclick={onClose} title="Close">
+        <X size={18} aria-hidden="true" />
+      </button>
+    </header>
+
+    <form class="rename-branch-form" onsubmit={submit}>
+      <label class="new-branch-field">
+        <span>Branch name</span>
+        <!-- svelte-ignore a11y_autofocus -->
+        <input
+          bind:value={name}
+          autocomplete="off"
+          spellcheck="false"
+          disabled={isBusy}
+          autofocus
+        />
+      </label>
+
+      <div class="new-branch-actions">
+        <button class="btn-secondary" type="button" onclick={onClose} disabled={isBusy}>
+          Cancel
+        </button>
+        <button class="btn-primary" type="submit" disabled={isBusy || name.trim().length === 0 || name.trim() === branch.name}>
+          {#if isBusy}
+            <LoaderCircle class="spin" size={16} aria-hidden="true" />
+          {:else}
+            <GitBranch size={16} aria-hidden="true" />
+          {/if}
+          Rename
+        </button>
+      </div>
+    </form>
+  </div>
+</div>