0.8.0

As of #1594, we now stream the response from the model in the TUI and when using codex exec
#1589 changes ctrl-d so it only exits the TUI if the composer is empty (it will still exit the TUI if the composer is hidden because the Codex agent is thinking)
As a heads up, #1596 changes the organization of the ~/.codex/sessions folder so it has YYYY/MM/DD subfolders. This should make it easier to find recent sessions and avoid degrading filesystem performance because previously ~/.codex/sessions could end up with an unbounded number of entries
#1571 fixes a longstanding issue where we failed to handle long MCP tool names gracefully (#1289 was the relevant GitHub issue)
#1603 introduced a --json flag to codex exec so that it prints output as JSONL to stdout
#1590 tries to ensure that when the Codex CLI is launched via the Node.js script in the npm version that both the Codex CLI process and Node.js process exit together, though from the additional details on #1570, it seems like it is not sufficient to fix that specific problem.
Though #1590 should make it so that, on Windows, the npm version will fall back to the TypeScript version (for now) rather than just crashing, fixing #1573.

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