[16.0][FWP] account_asset_tax_consistency

[eantones]

Forward-port of the pending 14.0 commit detected by the migration gate sweep (2026-07-05).

Ported:

• [FIX] propagate template applicability (_get_tax_vals carries apply_to_asset from the tax template to the generated tax)

Cherry-picked verbatim from 14.0 (812df19).

[codecov]

Codecov Report

❌ Patch coverage is 25.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 53.99%. Comparing base (6366446) to head (c40ce0e).

Files with missing lines	Patch %	Lines
...unt_asset_tax_consistency/models/chart_template.py	25.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             16.0     #948      +/-   ##
==========================================
- Coverage   54.00%   53.99%   -0.02%     
==========================================
  Files         337      337              
  Lines        6947     6951       +4     
  Branches     1035     1035              
==========================================
+ Hits         3752     3753       +1     
- Misses       3057     3060       +3     
  Partials      138      138              

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