fix: add Databricks models databricks-gpt-5-nano and databricks-gpt-5-3-codex

[github-actions]

fix: add Databricks models databricks-gpt-5-nano and databricks-gpt-5-3-codex

Closes #642

Source issue: #642

Summary

Field	Value
Provider	databricks
Primary model	databricks-gpt-5-nano
Changed models	databricks-gpt-5-nano databricks-gpt-5-3-codex
Added models	databricks-gpt-5-nano databricks-gpt-5-3-codex
Updated models	None
Verification sources	1 2

Verified metadata

Model	Display name	Parent	Providers	Format	Flavor	Token limits	Pricing	Lifecycle
databricks-gpt-5-nano	GPT-5 nano		databricks	openai	chat	input=400000, output=128000	n/a	multimodal=true
databricks-gpt-5-3-codex	GPT-5.3 Codex		databricks	openai	chat	input=400000, output=128000	n/a	multimodal=true

Verification notes

No LLM verification step ran — model metadata was already complete in the issue.

sync_models vs proposed update

sync_models cross-check found differences. Official provider verification was used for the applied values, and sync_models discrepancies are listed below for review.

Model	Field	Proposed update	sync_models	sync_models source models
databricks-gpt-5-nano	max_input_tokens	400000	272000	databricks/databricks-gpt-5-nano
databricks-gpt-5-nano	input_cost_per_mil_tokens	n/a	0.04998	databricks/databricks-gpt-5-nano
databricks-gpt-5-nano	output_cost_per_mil_tokens	n/a	0.39998	databricks/databricks-gpt-5-nano
databricks-gpt-5-3-codex	catalog entry	present	missing	None

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