refactor(vscode): remove unused GitHub comment context members

Drop the never-read `available` and `label` members from the GitHub
comment context introduced with inline PR comments, and cover the
retained resolve/send gating with a focused test.

packages/kilo-vscode/tests/unit/comments-github.test.ts

@@ -1,5 +1,10 @@
 import { describe, expect, it } from "bun:test"
-import { postAllGithub, resolveGithubContext, type CommentsGithub } from "../../webview-ui/diff-viewer/comments-github"
+import {
+  createCommentsGithub,
+  postAllGithub,
+  resolveGithubContext,
+  type CommentsGithub,
+} from "../../webview-ui/diff-viewer/comments-github"
 import type { PRDiffSnapshot, PRTarget } from "../../src/shared/pr-comment-actions"
 import type { ReviewComment } from "../../webview-ui/diff-viewer/review-comments"
 
@@ -23,7 +28,6 @@ function comment(id: string, line: number): ReviewComment {
 
 function fake(handler: (comment: ReviewComment) => { success: boolean; error?: string }): CommentsGithub {
   return {
-    available: () => true,
     resolve: () => undefined,
     send: async (item) => handler(item),
   }
@@ -44,7 +48,6 @@ describe("resolveGithubContext", () => {
       prNumber: 7,
       prUrl: target.prUrl,
       snapshotId: "snap-1",
-      label: "GitHub #7",
       closed: false,
     })
   })
@@ -84,6 +87,33 @@ describe("resolveGithubContext", () => {
   })
 })
 
+describe("createCommentsGithub", () => {
+  function github(canPublish: boolean) {
+    return createCommentsGithub({
+      target: () => target,
+      snapshot: () => snapshot,
+      diffs: () => [],
+      post: () => {},
+      canPublish: () => canPublish,
+    })
+  }
+
+  it("resolves a context while publication is enabled", () => {
+    expect(github(true).resolve(comment("a", 2))).toEqual({
+      prNumber: 7,
+      prUrl: target.prUrl,
+      snapshotId: "snap-1",
+      closed: true,
+    })
+  })
+
+  it("refuses to resolve or send while publication is disabled", async () => {
+    const disabled = github(false)
+    expect(disabled.resolve(comment("a", 2))).toBeUndefined()
+    await expect(disabled.send(comment("a", 2))).resolves.toEqual({ success: false })
+  })
+})
+
 describe("postAllGithub", () => {
   it("posts every comment in order when each request succeeds", async () => {
     const sent: string[] = []

packages/kilo-vscode/webview-ui/agent-manager/pr/PRCommentForm.tsx

@@ -64,7 +64,6 @@ type Props = {
         prNumber: number
         prUrl: string
         snapshotId: string
-        label: string
         closed: boolean
       }
       initialBody?: string

packages/kilo-vscode/webview-ui/diff-viewer/comments-github.ts

@@ -11,13 +11,10 @@ export interface GithubContext {
   prNumber: number
   prUrl: string
   snapshotId: string
-  label: string
   closed: boolean
 }
 
 export interface CommentsGithub {
-  /** True when a PR with a loaded snapshot is available for publication. */
-  available: () => boolean
   /** Resolve the GitHub target for a comment. `closed` means the line is not publishable. */
   resolve: (comment: ReviewComment) => GithubContext | undefined
   send: (comment: ReviewComment) => Promise<{ success: boolean; error?: string }>
@@ -53,7 +50,6 @@ export function resolveGithubContext(opts: {
     prNumber: opts.target.prNumber,
     prUrl: opts.target.prUrl,
     snapshotId: opts.snapshot.id,
-    label: `GitHub #${opts.target.prNumber}`,
     closed: !allowed,
   }
 }
@@ -82,8 +78,6 @@ export function createCommentsGithub(opts: Options): CommentsGithub {
     })
   }
 
-  const available = () => opts.canPublish?.() !== false && !!opts.target() && !!opts.snapshot()
-
   const send = (comment: ReviewComment) => {
     const { promise, resolve: settle } = Promise.withResolvers<{ success: boolean; error?: string }>()
     const target = opts.target()
@@ -113,7 +107,7 @@ export function createCommentsGithub(opts: Options): CommentsGithub {
     return promise
   }
 
-  return { available, resolve, send }
+  return { resolve, send }
 }
 
 /**