Strip financial research functionality, convert to generic chatbot

[kilo-code-bot]

Summary

Removes all financial/market research functionality and transforms Dexter into a clean, generic AI chatbot assistant.

What was removed

Financial Tools (src/tools/finance/ - 15 files)

• financial-search, financial-metrics, read-filings
• prices, fundamentals, estimates, filings, insider trades
• key ratios, news, segments, crypto, company facts, API client

Skills System (src/skills/ - 6 files)

• DCF valuation skill with sector WACC data
• Skill loader, registry, and types
• Skill invocation tool (src/tools/skill.ts)

Financial Tool Descriptions (3 files)

• financial-search.ts, financial-metrics.ts, read-filings.ts

Evaluation Suite (src/evals/ - 8 files)

• Financial evaluation dataset (finance_agent.csv)
• Eval UI components and runner

What was updated

Agent Prompts (src/agent/prompts.ts)

• Removed all financial-specific instructions (financial_search preference, SEC filings, ticker references)
• Generic assistant system prompt with web search/fetch/browser tools only

Tool Registry (src/tools/registry.ts)

• Only registers: web_search, web_fetch, browser
• Removed financial_search, financial_metrics, read_filings, skill tools

Tool Descriptions

• browser.ts: Removed financial_search/read_filings references
• web-fetch.ts: Removed financial data/SEC filings references
• web-search.ts: Removed financial_search preference, stock/DCF references

UI Components

• Intro.tsx: "AI-powered CLI assistant" instead of "financial research"
• AgentEventView.tsx: Removed skill/financial_search-specific display logic

Agent Internals

• scratchpad.ts: Removed hasExecutedSkill() method
• tool-executor.ts: Removed skill deduplication logic

Documentation & Config

• package.json: Updated description
• README.md: Rewritten as generic chatbot docs (removed financial prereqs, eval section)
• AGENTS.md: Removed financial tool/skill references
• env.example: Removed FINANCIAL_DATASETS_API_KEY

Tests

• cache.test.ts: Updated test data from financial examples to generic ones

Verification

• TypeScript compilation passes (npx tsc --noEmit)
• 22/23 tests pass (1 pre-existing WhatsApp outbound test failure unrelated to changes)
• 51 files changed, 100 insertions, 3136 deletions

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