feat(t27f): T27 OS home -- the 27-petal triangle menu as one spec

docs/reports/t27b_expectations.json

@@ -12,7 +12,7 @@
   "reference-bug": "the reference passes it for the wrong reason; t27b is right not to",
   "n/a": "outside what t27b is for (say why in the PR that sets it)"
  },
- "max_not_pass": 129,
+ "max_not_pass": 132,
  "entries": [
   {"path": "specs/a/b_c.t27", "t27b": "pass"},
   {"path": "specs/a_b/c.t27", "t27b": "pass"},
@@ -1614,6 +1614,9 @@
   {"path": "specs/t27mcp/tool_schema.t27", "t27b": "codegen", "blocker": "t27b: unsupported construct FnDecl(frame or branch range) at line 0 (fn the round trip fixtures: a tuple, arrays, a boolean, nested objects: conditional branch out of range (function too large))", "reason": "unimplemented"},
   {"path": "specs/t27mcp/visual_output.t27", "t27b": "pass"},
   {"path": "specs/t27os/install.t27", "t27b": "pass"},
+  {"path": "specs/t27os/pty_client.t27", "t27b": "blocked", "blocker": "@extern import under the JIT", "reason": "n/a"},
+  {"path": "specs/t27os/pty_server.t27", "t27b": "blocked", "blocker": "@extern import under the JIT", "reason": "n/a"},
+  {"path": "specs/t27os/pty_sys.t27", "t27b": "blocked", "blocker": "@extern import under the JIT", "reason": "n/a"},
   {"path": "specs/t27t/t27t.t27", "t27b": "pass"},
   {"path": "specs/ternary/activation_quantizer.t27", "t27b": "pass"},
   {"path": "specs/ternary/bitnet_layer.t27", "t27b": "pass"},