fix: add bounds checking to proxy tier prediction #420

Job	Run time
PR title check	3s
Code checks / Actions lint check	30s
Doc checks / Doc checks / Docs check	2m 0s
Code checks / Lint check / Lint check (3.14)	32s
Code checks / Lint check / Lint check (3.11)	31s
Code checks / Lint check / Lint check (3.13)	28s
Code checks / Lint check / Lint check (3.12)	30s
Code checks / Type check / Type check (3.11)	25s
Code checks / Lint check / Lint check (3.10)	28s
Code checks / Spell check	5s
Code checks / Type check / Type check (3.12)	25s
Code checks / Type check / Type check (3.14)	30s
Code checks / Type check / Type check (3.10)	27s
Code checks / Type check / Type check (3.13)	31s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.10)	5m 15s
Tests / Unit tests / Unit tests (windows-latest, 3.10)	7m 17s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	5m 25s
Tests / Unit tests / Unit tests (macos-latest, 3.11)	5m 56s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	7m 10s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	3m 51s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	6m 12s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	7m 16s
Tests / Unit tests / Unit tests (macos-latest, 3.13)	5m 16s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	6m 51s
Tests / Unit tests / Unit tests (macos-latest, 3.14)	3m 14s
Tests / Unit tests / Unit tests (macos-latest, 3.12)	7m 6s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	4m 41s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	5m 13s
Tests / Unit tests / Unit tests (macos-latest, 3.10)	4m 58s
	1h 33m 6s

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