feat> 2025 day 9 part 1

[adomani]

The input are the coordinates of the red tiles.

[github-actions]

PR summary 23987d1

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Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference
Advents.AoC2025.day09 (new file)	3

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Declarations diff

+ atest
+ input
+ inputToPos
+ part1
+ part2
+ test

You can run this locally by cloning adomani/PR_summary and then using `scripts/declarations_diff.sh`.

## summary with just the declaration names:
./scripts/declarations_diff.sh

## more verbose report:
./scripts/declarations_diff.sh -l

Running ./scripts/declarations_diff.sh -h shows the available options.

The doc-module for script/declarations_diff.sh contains some details about this script.

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Increase in tech debt: (relative, absolute) = (7.00, 0.01)

Current number	Change	Type
970	7	definitions

Current commit 23987d1c05
Reference commit be430b4faa

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

adomani/advents