Changes touching this path

• buoy joins the dispatch table and bisect is left alone on the early path with the only reason that is still its own: #1764 made an output shape able to carry its own exit code, which was the whole of why buoy was dispatched ahead of COMMANDS, so the arm is gone and cmd_buoy returns a shape like every other verb. emit::Buoy reads ADR 0025 exit codes off the BuoyVerdict it already holds, one arm per row of that table, so the rendered answer and the code are one decision and the empty porcelain of the none row cannot come apart from its 2; buoy --nearest carries its code as a value on the message instead, having collapsed to one token with no structure to read an outcome back off; and buoy_write is deleted rather than moved, because the dispatcher outcome was already byte-for-byte the same #870 rule about a reader that left early. everything that walked the table and the buoy spec separately now walks the table alone — the telemetry note_dispatched call, the machine-output census, the verb census, the documented-flag census, the template-flag census, help_for and the completion list — and nothing is counted twice: the telemetry report is asserted to say buoy once, the table is asserted to declare no name twice, the offered completion names are asserted to hold each name once, and the census sum is now an equality with the table rather than the table plus one. going through the argv door means declaring an arity, so exactly one invocation moved: loot buoy reviewed junk refuses by name and exits 1 where an open claim used to drop the word and resolve for reviewed, which is #1562 reaching a verb that had been standing outside the gate enforcing it. every code is pinned through the spawned binary in tests/buoy_exit.rs, each outcome in every rendering it accepts. red under mutation, counts read each time: the verdict codes flattened to zero (buoy_exit 4 passed and 2 failed, emit_snapshot 12 passed and 1 failed), Message::coded discarding the code it is handed (loot-cli lib 1334 passed and 1 failed, buoy_exit 5 passed and 1 failed), the early telemetry call put back beside the one in the table (telemetry 2 passed and 1 failed, reporting buoy three times for two runs), buoy pushed onto the completion list beside its own row (loot-cli bin 125 passed and 1 failed, buoy_exit 5 passed and 1 failed), the row declared twice (loot-cli bin 121 passed and 5 failed), the row declining its arity again (loot-cli bin 123 passed and 3 failed, buoy_exit 5 passed and 1 failed), and the census sum left at the table plus one (loot-cli bin 125 passed and 1 failed). ADR 0025 records where each code now comes from and the one that moved, ADR 0076 closes the open work it had recorded and narrows the early-dispatch path to bisect, ADR 0066 moves the split inside its dispatched total, and CONTEXT.md stops naming buoy beside bisect. no migration, no wire or format byte moves and no host behaviour moves, so this owes no deploy. the workspace suite is green (4058 passed over 129 binaries, 8 ignored) (#1976) fa68a7d3 · dbf3dbe6…
• test scratch directories are named by one shared helper, common::scratch, from the process id and a per-process counter rather than the clock, so two tests asking for one tag at once are no longer handed one directory that the second caller empties and refills (the #2258 mechanism): 19 test files under crates/*/tests named a temp_dir path from SystemTime nanoseconds in 21 statements and now call fresh_dir or fresh_path, loot-cli files reaching it through mod common and loot-first exit_codes compiling the same std-only file by path, and revset_everywhere and plaintext_equality_census, which already counted, call it too. scratch_dirs.rs holds the #2258 pin, moved from revset_everywhere and aimed at the shared helper, red under the clock naming in 13 runs of 13 (0 passed and 1 failed, 1 to 16 of 400 directories handed twice), and a guard that walks every .rs file under crates/*/tests and refuses a temp_dir statement that reads the clock, red over the unconverted tree naming the 19 files (1 passed and 1 failed), red with buoy_exit put back (1 and 1) and red when the walk finds nothing (0 and 1), each restored green. no other test changes what it asserts. the workspace suite is green (4533 passed over 140 binaries, 13 ignored, from 4532 over 139: the guard is new and the pin moved into its own binary). test-only, so it owes no deploy (#2358) 6dd1e05b · dbf3dbe6…diff

Renames are not followed. loot's tree maps a path to an address, so a rename is a delete and an add. This list is the history of the name, not of the bytes.