[trissim]

Live fix, Part A only: stored records reached IncomingTranscript and every wire view failed. Message now owns the envelope property; IncomingTranscript.of is the single conversion point. BusRecord inherits it, its guard remains, and both Core callers use of without converting at the call site. Toad counterpart: OpenHCSDev/toad#1160. Reattachment stays separate in #2860 / toad#1159.

Core head ccea4d9; pushed head matches ls-remote. Ready and auto-merge enabled after the focused test run passed.

Validation:

• Background timeout 300, one worker, faulthandler 60: tests/test_message_categories.py tests/test_turn_digests.py tests/test_outbound_transcript_source.py: 38 passed in 20.99 s.
• Unchanged supplied read_stall.py, env -i and candidate python -I, on the copied live bus published to the compiled branch runtime: #comms read ok 0.510 s, loading False after 2.5 s; SCREEN shows ROUTE_INSTALL_2860_NEW_MESSAGE_ATTEMPT3. #test read ok 0.119 s, loading False; SCREEN shows ROUTE_INSTALL_2860_NEW_MESSAGE_ATTEMPT4.
• Before: TypeError('PrivateRecord is a record; pass its envelope'), repeated reads and Loading messages. After: PreparedWirePage and actual bodies on screen.
• Required envelope grep on transcript_sources.py and turn_digests.py: 0. Constructor grep has only the IncomingTranscript declaration; of constructs cls internally.
• Existing audit AST loader mapped 437 Core modules, 485 tests, 10 tools, 287 Toad modules and 292 Toad tests; no parse omissions. All 6 construction sites migrated across both repos.

Qualification used compiled Core ccea4d9 and the separately built Toad Part A wheel, with the installed/declared ui-theme 60a324455552a6feeb3868c41551948a58bdcc67. Newly fetched ui-theme bb373820 removes member.variable and breaks unchanged Toad at textual_colours.py:328 before the view opens. No production dependency pin is changed by this PR.

Evidence: /home/ts/.cache/agent-scratch/route-readers-2860/{partA-tests.log,read-stall-comms-A.log,read-stall-test-A.log}. Original sessions/auth/uncertain inputs are preserved. Assumed: paired Core/Toad release; application acceptance targets the installed dependency set, not the unrelated newly broken theme API. No runtime guard is weakened.

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[github-actions]

debt-src at 94f41e3, every finding:

grew TypeErrors:src/agent_comms/transcript_events.py +2
grew TypeIdentity +1