Modify patch tests for pricing strategies

[tsmbland]

I forgot to do this with #1281, but since we modified the default pricing strategy (from "shadow" to "full_average") we also need to modify the patch tests so they properly cover the remaining strategies in a targeted way

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.51%. Comparing base (b00af32) to head (106ba19).
⚠️ Report is 50 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1324   +/-   ##
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  Coverage   89.51%   89.51%           
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  Files          58       58           
  Lines        8537     8537           
  Branches     8537     8537           
=======================================
  Hits         7642     7642           
  Misses        580      580           
  Partials      315      315           

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[Copilot]

Pull request overview

Updates regression patch tests and their expected outputs to reflect the new default pricing strategy (full_average), while keeping targeted coverage of the non-default pricing strategies via patches.

Changes:

• Replace the simple_full_average patched regression test with a new simple_shadow patch test (electricity priced using shadow prices).
• Update patch definitions to leave most commodities on the default strategy (blank/omitted pricing_strategy) and only override the commodity under test.
• Regenerate/update regression CSV fixtures across affected example datasets to match the new pricing defaults and resulting model outputs.

Reviewed changes

Copilot reviewed 26 out of 26 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/example/patches.rs	Renames/removes the old full-average patch and defines the new simple_shadow patch; updates patched commodity pricing_strategy columns to rely on defaults where appropriate.
tests/regression.rs	Swaps patched regression coverage from simple_full_average to simple_shadow.
tests/data/two_regions/commodity_flows.csv	Updates expected two-regions flows (minor float diffs) after pricing default change.
tests/data/simple/debug_solver.csv	Updates expected objective values in debug output (minor float diffs).
tests/data/simple/commodity_flows.csv	Updates expected simple model flows (minor float diffs).
tests/data/simple_npv/commodity_flows.csv	Updates expected simple_npv flows (minor float diffs).
tests/data/simple_marginal/commodity_prices.csv	Updates expected prices for the marginal-electricity patched case under the new defaults.
tests/data/simple_marginal/commodity_flows.csv	Updates expected flows for the marginal-electricity patched case.
tests/data/simple_marginal/assets.csv	Updates expected asset build-out for the marginal-electricity patched case.
tests/data/simple_marginal/asset_capacities.csv	Updates expected capacities for the marginal-electricity patched case.
tests/data/simple_marginal_average/commodity_prices.csv	Updates expected prices for the marginal-average-electricity patched case under the new defaults.
tests/data/simple_marginal_average/assets.csv	Updates expected assets for the marginal-average-electricity patched case.
tests/data/simple_marginal_average/asset_capacities.csv	Updates expected capacities for the marginal-average-electricity patched case.
tests/data/simple_ironing_out/commodity_flows.csv	Updates expected flows for the ironing-out patched case (minor float diffs).
tests/data/simple_full/commodity_prices.csv	Updates expected prices for the full-cost gas patched case under the new defaults.
tests/data/simple_full/commodity_flows.csv	Updates expected flows for the full-cost gas patched case (minor float diffs).
tests/data/simple_divisible/commodity_flows.csv	Updates expected flows for the divisible-process patched case (minor float diffs).
tests/data/muse1_default/commodity_flows.csv	Updates expected flows for muse1_default (minor float diffs).
tests/data/missing_commodity/commodity_flows.csv	Updates expected flows for missing_commodity (minor float diffs).
tests/data/simple_shadow/commodity_prices.csv	Adds expected prices for the new shadow-electricity patched case.
tests/data/simple_shadow/commodity_flows.csv	Adds expected flows for the new shadow-electricity patched case.
tests/data/simple_shadow/assets.csv	Adds expected assets for the new shadow-electricity patched case.
tests/data/simple_shadow/asset_capacities.csv	Adds expected capacities for the new shadow-electricity patched case.

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