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webdev
7fded5afd4
A window's mirror of its machine held no `PaneRecord` for a pane the window itself created. Records ride inside layout deltas and a client is left out of the deltas its own ops raise, so the record the daemon mints when it registers a seed reached every window but the one showing the pane; `PaneFacts` closed the gap only when a fact changed, and a pane spawned into its directory and left at its prompt never changes one. The workspace answered no subject path, an unnamed one read "Untitled", and `record_geometry` stamped a null subject over the path views.json remembered. The window knows what it seeded, so it now puts those records into its own mirror through the same `PaneSeed::into_record` the daemon mints with — opened up rather than duplicated, so ssh-secret stripping stays shared — with the window's own Ready terminals standing in for the daemon's liveness probe. The write is insert-only: a record the mirror already holds came from the machine and outranks what a seed knows. Also closes the race that reopened the same symptom by another route: a `MachineGet` already in flight installed its tree whole and took the client's not-yet-acknowledged writes with it, and nothing re-inserted them until the next non-empty op. All four optimistic writers now go through one path that keeps each write for the life of a pull in flight and replays it over the tree that lands. The tree stays authoritative for everything it speaks about — only the ops it was built too early to know are put back on top, and the journal is drained once it has landed, so nothing a later tree dropped is resurrected. This covers #604's pushed tabs and workspace ops, not only the seeded records. Fixes #612.