Summary of Changes

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This pull request significantly upgrades the dashboard's analytical capabilities by introducing new visualizations for request counts, associated costs, and token usage. These additions provide a deeper understanding of how different channels, models, and API keys contribute to overall system activity and expenditure, enabling better resource management and optimization. The changes span both the frontend, with new chart components and updated data fetching logic, and the backend, with new GraphQL schemas and resolvers to serve the required data.

Highlights

• Enhanced Dashboard Analytics: Introduced new dashboard charts to visualize requests, costs, and token usage broken down by channel, model, and API key, providing a more comprehensive overview of resource consumption.
• Cost Metrics Integration: Integrated cost data into existing requests-by-API-key charts and new requests-by-channel and requests-by-model charts, allowing users to track spending alongside request volume.
• Token Usage by Channel and Model: Added dedicated charts for token usage statistics, categorized by channel and model, to offer granular insights into token consumption patterns.
• GraphQL API Expansion: Extended the GraphQL API with new queries and types to support the retrieval of token and cost statistics for channels, models, and API keys.
• Frontend Routing Refinement: Standardized frontend routing by removing trailing slashes from various paths in the route tree.