Remove the replay command

[dacorvo]

Removes agentcap replay — a thin wrapper over httpx.post plus a response renderer that went unused outside the demo. Serious replay happens in purpose-built harnesses that issue their own requests against the exported captures, which a one-shot CLI can't compose into.

Removed

• The replay command, its tests, docs/replay.md, the demo tape, the 4 MB demo gif, and the SSE/JSON response renderers.

Kept

• The capture-loading primitive, now agentcap.captures (load_request / resolve_workspace_rid) — inspect depends on it and scripts can import it directly.
• inspect --rid as a generic "print the selected request-id" affordance.

Commits

1. feat: remove the replay command
2. refactor: rename replay module to captures

Note: the README diff also carries a python -m venv setup step that was already in the working tree, unrelated to this change.

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR removes the agentcap replay CLI command and its supporting rendering logic/docs/tests, while preserving and renaming the underlying “load captured request by id” primitive as agentcap.captures for continued use by inspect and by downstream scripts.

Changes:

• Deleted the replay Click command implementation and the SSE/JSON response renderers from the CLI entrypoint.
• Renamed the reusable replay-loader module to agentcap.captures and updated tests/imports accordingly.
• Removed replay-related documentation and demo artifacts, and updated README/docs to no longer reference agentcap replay.

Reviewed changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/test_cli.py	Removes CLI tests that were specific to the deleted replay command.
tests/test_captures.py	Updates imports/docs to validate the loader API under agentcap.captures.
src/agentcap/captures.py	Keeps the request-loading primitive with updated module-level framing (no longer “replay”).
src/agentcap/main.py	Removes the replay command and its renderers; updates internal references to use captures.
README.md	Removes replay from the CLI/docs narrative and quick-start usage examples.
docs/replay.md	Deletes replay command documentation (command removed).
docs/inspect.md	Removes replay-specific piping example; keeps --rid described generically.
docs/demo/replay.tape	Deletes the replay demo tape (command removed).
docs/capture.md	Removes replay from the “see also” links.
AGENTS.md	Removes the replay-related design decision entry and renumbers subsequent items.

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