chore: checkpoint web Blender migration source, tools and docs

Accumulated uncommitted work: GHOST Web backend, WebGL/GPU web layer,
web workflow engine and protocol, tooling, docs and task records.
Large generated evidence, user-testing archives, build snapshots and
imported test assets remain untracked.

Co-Authored-By: Claude Code <noreply@anthropic.com>

tools/web/print-task-context.mjs

@@ -6,9 +6,12 @@ const bundle = buildTaskContext(task);
 const report = contextSizeReport(bundle);
 if (!report.withinBudget) {
   // Never send an oversized task package to the caller. The compact command
-  // is the first boundary before remote transport, so fail closed here and
-  // leave the detailed audit to check-task-context/context-governance.
+  // retains its nonzero exit for oversized source packages. Emit only the
+  // separately bounded pointer so the next read can resume the current task.
   process.stderr.write(`task-context-over-budget task=${bundle.context.task} contentTokens=${report.totalTokens} envelopeTokens=${report.serializedContextTokens}/${report.reservedEnvelopeTokens} estimatedTokens=${report.estimatedContextTokens}\n`);
+  if (report.serializedContextTokens <= report.reservedEnvelopeTokens) {
+    process.stdout.write(JSON.stringify(compactTaskContext(bundle.context)) + "\n");
+  }
   process.exitCode = 1;
 } else {
   process.stdout.write(`${JSON.stringify({ ...compactTaskContext(bundle.context), size: report }, null, 2)}\n`);