feat(T22): replace Anthropic SDK with OpenAI-compatible provider

.env.example

@@ -1,5 +1,9 @@
-# Anthropic
-ANTHROPIC_API_KEY=your_anthropic_api_key_here
+# LLM — any OpenAI-compatible provider. Only the key is required;
+# it defaults to OpenRouter + nvidia/nemotron-3-ultra-550b-a55b:free
+LLM_API_KEY=sk-or-v1-your_openrouter_key_here
+# Optional overrides, e.g. to use NVIDIA NIM instead:
+#   LLM_BASE_URL=https://integrate.api.nvidia.com/v1
+#   LLM_MODEL=nvidia/nemotron-3-ultra-550b-a55b
 # GitHub
 GITHUB_TOKEN=your_github_personal_access_token_here
 TARGET_GITHUB_USERNAME=your_github_username_here

.github/workflows/cleanup.yml

@@ -31,7 +31,7 @@ jobs:
 
       - name: Run cleanup
         env:
-          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          LLM_API_KEY: ${{ secrets.LLM_API_KEY }}
           DATABASE_URL: ${{ secrets.NEON_WORK_COORDINATOR_DB_URL }}
           COMPANY_DB_URL: ${{ secrets.NEON_MOCK_COMPANY_DB_URL }}
           COMPANY_CLEANUP_TABLE: ${{ secrets.COMPANY_CLEANUP_TABLE }}

.github/workflows/code-quality.yml

@@ -71,7 +71,10 @@ jobs:
           fetch-depth: 0 # full history so Fallow's change-hotspot analysis works
 
       - name: Run Fallow analysis
-        uses: fallow-rs/fallow@v2
+        # v3+: platform packages ship a single multicall `fallow` binary. The v2
+        # action still verified `fallow-lsp`/`fallow-mcp`, which no published CLI
+        # provides any more, so every run failed at binary verification.
+        uses: fallow-rs/fallow@v3
         with:
           # Advisory mode: still annotate the PR with findings, but don't fail
           # the check on warnings/issues (default for this input is `true`).

.github/workflows/daily-kpi.yml

@@ -31,7 +31,7 @@ jobs:
 
       - name: Run daily KPI report
         env:
-          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          LLM_API_KEY: ${{ secrets.LLM_API_KEY }}
           DATABASE_URL: ${{ secrets.NEON_WORK_COORDINATOR_DB_URL }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           TARGET_GITHUB_USERNAME: ${{ secrets.TARGET_GITHUB_USERNAME }}

.github/workflows/morning-news.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Run news agent
         env:
-          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          LLM_API_KEY: ${{ secrets.LLM_API_KEY }}
           DATABASE_URL: ${{ secrets.NEON_WORK_COORDINATOR_DB_URL }}
           TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
           TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}

.github/workflows/seed-mock-users.yml

@@ -1,11 +1,13 @@
 name: Daily Mock User Seeding
 
 on:
-  schedule:
-    # 6:30 AM UTC = 4:30 PM AEST (UTC+10, Apr–Oct)
-    # Note: during AEDT (Oct–Apr, UTC+11) this fires at 5:30 PM Sydney time
-    - cron: '30 6 * * *'
-  workflow_dispatch: # allows manual trigger from GitHub UI
+  # Disabled — mock user seeding no longer runs on a schedule.
+  # Uncomment to re-enable; the job itself is unchanged.
+  # schedule:
+  #   # 6:30 AM UTC = 4:30 PM AEST (UTC+10, Apr–Oct)
+  #   # Note: during AEDT (Oct–Apr, UTC+11) this fires at 5:30 PM Sydney time
+  #   - cron: '30 6 * * *'
+  workflow_dispatch: # still runnable by hand from the GitHub UI
 
 jobs:
   seed:

README.md

@@ -83,7 +83,7 @@ Push to GitHub, then add these secrets under **Settings → Secrets and variable
 
 | Secret | Value |
 |---|---|
-| `ANTHROPIC_API_KEY` | from console.anthropic.com |
+| `LLM_API_KEY` | from openrouter.ai/keys (free tier works) |
 | `NEON_WORK_COORDINATOR_DB_URL` | Neon connection string (remove `&channel_binding=require`) |
 | `NEON_MOCK_COMPANY_DB_URL` | Neon connection string for company DB |
 | `COMPANY_CLEANUP_TABLE` | table to clean, e.g. `mockTestUsers` |

package.json

@@ -37,8 +37,8 @@
   "license": "ISC",
   "packageManager": "pnpm@10.7.1",
   "dependencies": {
-    "@langchain/anthropic": "^1.3.25",
-    "@langchain/core": "^1.1.36",
+    "@langchain/core": "^1.2.3",
+    "@langchain/openai": "^1.5.5",
     "@octokit/rest": "^22.0.1",
     "dotenv": "^17.3.1",
     "langchain": "^1.2.37",