Add zcap policy and refresh features.

[dlongley]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 89.62264% with 132 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.95%. Comparing base (0e108a6) to head (fdc3901).

Files with missing lines	Patch %	Lines
lib/middleware.js	86.95%	36 Missing ⚠️
lib/refreshedZcapCache.js	67.64%	33 Missing ⚠️
lib/profileAgents.js	92.63%	24 Missing ⚠️
lib/zcaps.js	88.82%	20 Missing ⚠️
lib/profiles.js	88.59%	13 Missing ⚠️
lib/zcapClient.js	73.33%	4 Missing ⚠️
lib/helpers.js	96.15%	1 Missing ⚠️
lib/interactions.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #64      +/-   ##
==========================================
- Coverage   93.78%   90.95%   -2.84%     
==========================================
  Files           6       13       +7     
  Lines         998     1813     +815     
==========================================
+ Hits          936     1649     +713     
- Misses         62      164     +102     

Files with missing lines	Coverage Δ
lib/config.js	100.00% <100.00%> (ø)
lib/documentLoader.js	100.00% <100.00%> (ø)
lib/http.js	100.00% <100.00%> (+6.72%)	⬆️
schemas/bedrock-profile-http.js	100.00% <100.00%> (ø)
lib/helpers.js	96.15% <96.15%> (ø)
lib/interactions.js	86.58% <0.00%> (ø)
lib/zcapClient.js	88.57% <73.33%> (-11.43%)	⬇️
lib/profiles.js	88.59% <88.59%> (ø)
lib/zcaps.js	88.82% <88.82%> (ø)
lib/profileAgents.js	92.63% <92.63%> (ø)
... and 2 more

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