feat(chat): Comments and review in VS Code, like the OpenChamber desktop app (#1724)

* feat(chat): render code comments as cards instead of fenced text

* fix(vscode): route Add Comment to the active session editor panel

* fix(chat): persist queued inline comments and tighten file-chip path matching

* feat(vscode): comment on code from the editor

* fix(chat): keep attached context in the message and broadcast comment removal

* fix(vscode): hold every pending comment and gate both entry points on the workspace

* fix(vscode): let only the owning surface decide its comment threads

* fix(vscode): drop a comment removed while its delivery was still in flight

* test(vscode): cover the in-flight comment removal guard

* test(vscode): cover comment removal reaching every chat surface

* fix(vscode): give up on a comment the chat never confirmed holding

* fix(vscode): retract a comment everywhere before reporting it discarded

* fix(chat): preserve queued comment cards

* fix: preserve inline comment context across send paths

* fix(chat): preserve command routing with context

* fix(chat): keep unavailable actions on normal send path

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/vscode/package.json

@@ -115,6 +115,22 @@
         "category": "OpenChamber",
         "title": "%command.addToContext.title%"
       },
+      {
+        "command": "openchamber.addLineComment",
+        "category": "OpenChamber",
+        "title": "%command.addLineComment.title%"
+      },
+      {
+        "command": "openchamber.submitLineComment",
+        "category": "OpenChamber",
+        "title": "%command.submitLineComment.title%"
+      },
+      {
+        "command": "openchamber.removeLineComment",
+        "category": "OpenChamber",
+        "title": "%command.removeLineComment.title%",
+        "icon": "$(close)"
+      },
       {
         "command": "openchamber.explain",
         "category": "OpenChamber",
@@ -150,6 +166,30 @@
       }
     ],
     "menus": {
+      "comments/commentThread/context": [
+        {
+          "command": "openchamber.submitLineComment",
+          "group": "inline",
+          "when": "commentController == openchamber.inlineComments"
+        }
+      ],
+      "comments/commentThread/title": [
+        {
+          "command": "openchamber.removeLineComment",
+          "group": "navigation",
+          "when": "commentController == openchamber.inlineComments && commentThread == openchamberAttached"
+        }
+      ],
+      "commandPalette": [
+        {
+          "command": "openchamber.submitLineComment",
+          "when": "false"
+        },
+        {
+          "command": "openchamber.removeLineComment",
+          "when": "false"
+        }
+      ],
       "editor/context": [
         {
           "submenu": "openchamber.submenu",
@@ -200,6 +240,9 @@
         },
         {
           "command": "openchamber.addToContext"
+        },
+        {
+          "command": "openchamber.addLineComment"
         }
       ]
     },