clarify fake USDC on mainnet configs

[pepebndc]

Summary by CodeRabbit

• Chores
  • Updated token label from "USDC" to "Fake‑USDC" across three networks to reflect revised token naming in configuration.
  • No functional behavior, addresses, or numeric values were changed; this is a semantic label update only.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Updated token symbols for three blockchain networks (10, 42161, 8453) in the mainnet configuration from "USDC" to "Fake-USDC". Token addresses and decimals remain unchanged; this only alters the semantic label used in network configurations.

Changes

Cohort / File(s)	Summary
Token Symbol Update config/mainnet/networks.toml	Changed token symbol from "USDC" to "Fake-USDC" for networks 10 (Optimism), 42161 (Arbitrum One), and 8453 (Base). Addresses and decimals unchanged.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A token wore a name so grand,
Now "Fake-USDC" across the land,
On Optimism, Arbitrum too,
And Base—three networks, one name new!
The symbol changed, the rest stands fast.

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The pull request description is empty, failing to include required sections (Summary, Testing Process, Checklist) from the repository template.	Add a complete pull request description following the template: include a summary of changes, describe testing process, and check the required checklist items.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: updating USDC token labels to 'Fake-USDC' in mainnet configs for clarity.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between d0ea7fc and 4733ff0.

📒 Files selected for processing (1)

• config/mainnet/networks.toml

🚧 Files skipped from review as they are similar to previous changes (1)

• config/mainnet/networks.toml

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[shahnami]

Small caveat is that the tokens deployed will have a different ticker ("USDC") than what the UI will show now ("Fake-USDC").