feat(cli): ~/.config/dimos becomes a real config directory

[spomichter]

Final layout, per stash — the aws model:

~/.config/dimos/config        # human-edited JSON, extensionless
~/.config/dimos/credentials   # machine-written by dimos login, plain-text key, 0600

• Default --config is ~/.config/dimos/config; read_config_file treats a directory as absent.
• Legacy flat file at ~/.config/dimos: dimos run refuses loudly with the exact one-line mv recipe and exits 2 — zero filesystem mutation. The check lives only in the run command: a machine with the flat file predates dimos login existing, so that's the command it will hit. No migration state machine → all three Greptile P1s structurally gone.
• Verified: targeted tests + 260 across cli/blueprint_config, mypy strict clean, E2E through the installed console script (refusal prints the recipe; following it restores normal operation; credentials land 0600 inside the dir).

[greptile-apps]

Greptile Summary

The default DimOS configuration is now stored as ~/.config/dimos/config, with cloud credentials stored separately at ~/.config/dimos/credentials. Default CLI runs detect the former flat-file layout and provide migration instructions.

Confidence Score: 5/5

No blocking failure remains.

No accepted blocking failure remains in the reviewed configuration-path changes.

T-Rex Logs

What T-Rex did

• Validated that the output capture records the exact command, the working directory, and the exit code.
• Flagged a blocker where the Python3 path resolves to a non-existent interpreter, explaining why the run cannot proceed.

_{Ran code and verified through T-Rex}

_{Reviews (6): Last reviewed commit: "only refuse legacy config when the defau..." | Re-trigger Greptile}

[codecov]

Codecov Report

❌ Patch coverage is 96.96970% with 1 line in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
dimos/cli/dimos.py	87.50%	0 Missing and 1 partial ⚠️

@@            Coverage Diff             @@
##             main    #3550      +/-   ##
==========================================
+ Coverage   76.13%   76.41%   +0.28%     
==========================================
  Files        1228     1245      +17     
  Lines      119172   120533    +1361     
  Branches    10684    10860     +176     
==========================================
+ Hits        90726    92101    +1375     
+ Misses      25345    25331      -14     
  Partials     3101     3101              

Flag	Coverage Δ
OS-ubuntu-24.04-arm	70.89% <96.96%> (+0.34%)	⬆️
OS-ubuntu-latest	72.65% <96.96%> (+0.32%)	⬆️
Py-3.10	72.64% <96.96%> (+0.31%)	⬆️
Py-3.11	72.64% <96.96%> (+0.32%)	⬆️
Py-3.12	72.64% <96.96%> (+0.32%)	⬆️
Py-3.13	72.64% <96.96%> (+0.32%)	⬆️
Py-3.14	72.64% <96.96%> (+0.32%)	⬆️
Py-3.14t	72.64% <96.96%> (+0.32%)	⬆️
SelfHosted-Large	29.81% <48.48%> (+0.06%)	⬆️
SelfHosted-Linux	35.79% <39.39%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
dimos/cli/test_cloud.py	100.00% <100.00%> (ø)
dimos/cli/test_dimos_config.py	100.00% <100.00%> (ø)
dimos/constants.py	76.00% <100.00%> (ø)
...imos/core/coordination/blueprint_config/sources.py	81.89% <100.00%> (ø)
...core/coordination/blueprint_config/test_sources.py	100.00% <100.00%> (ø)
dimos/cli/dimos.py	65.46% <87.50%> (+0.37%)	⬆️

... and 50 files with indirect coverage changes

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