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Default Git signing to a profile-pinning wrapper, keep agent signing off the human's setup, interpolate policy placeholders, and split agent identity from secrets - #77
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…gent's signing to its own environment and GnuPG home on a shared machine, split agent identity provisioning from the secrets and signing skills, and write policy placeholders as interpolated shell variables.
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Summary
An agent sharing a machine and
HOMEwith a human could overwrite the human's Git signing setup and keyring, and Git picked its signing profile from whateverTK_PROFILEthe shell had. Copied policy examples matched no one, and the identity skill mixed in secrets and signing. Supersedes #78.Public API changes
None. A
~/.local/bin/tk-signwrapper pinningTK_PROFILEis now the documentedgpg.program; a shared machine reuses it through env-scopedGIT_CONFIG_*and a dedicatedGNUPGHOME. Policy placeholders are'${AGENT_TAG}'shell variables.Architecture
provisioning-agent-identitycovers identity only; export policies, acceptance, and isolation move tomanaging-secrets.A
policy createplaceholder check is deferred to EMG-324.Closes EMG-310
Closes EMG-312
Closes EMG-313
Closes EMG-315
Closes EMG-316
Related: EMG-311
Related: EMG-314
Testing
Added unit and e2e tests.