feat: tier system with FEATURES gate + can_use() + tier_label()

app/wizard/tiers.py

@@ -0,0 +1,67 @@
+"""
+Tier definitions and feature gates for Peregrine.
+
+Tiers: free < paid < premium
+FEATURES maps feature key → minimum tier required.
+Features not in FEATURES are available to all tiers (free).
+"""
+from __future__ import annotations
+
+TIERS = ["free", "paid", "premium"]
+
+# Maps feature key → minimum tier string required.
+# Features absent from this dict are free (available to all).
+FEATURES: dict[str, str] = {
+    # Wizard LLM generation
+    "llm_career_summary":           "paid",
+    "llm_expand_bullets":           "paid",
+    "llm_suggest_skills":           "paid",
+    "llm_voice_guidelines":         "premium",
+    "llm_job_titles":               "paid",
+    "llm_keywords_blocklist":       "paid",
+    "llm_mission_notes":            "paid",
+
+    # App features
+    "company_research":             "paid",
+    "interview_prep":               "paid",
+    "email_classifier":             "paid",
+    "survey_assistant":             "paid",
+    "model_fine_tuning":            "premium",
+    "shared_cover_writer_model":    "paid",
+    "multi_user":                   "premium",
+
+    # Integrations (paid)
+    "notion_sync":                  "paid",
+    "google_sheets_sync":           "paid",
+    "airtable_sync":                "paid",
+    "google_calendar_sync":         "paid",
+    "apple_calendar_sync":          "paid",
+    "slack_notifications":          "paid",
+}
+
+# Free integrations (not in FEATURES):
+# google_drive_sync, dropbox_sync, onedrive_sync, mega_sync,
+# nextcloud_sync, discord_notifications, home_assistant
+
+
+def can_use(tier: str, feature: str) -> bool:
+    """Return True if the given tier has access to the feature.
+
+    Returns True for unknown features (not gated).
+    Returns False for unknown/invalid tier strings.
+    """
+    required = FEATURES.get(feature)
+    if required is None:
+        return True  # not gated — available to all
+    try:
+        return TIERS.index(tier) >= TIERS.index(required)
+    except ValueError:
+        return False  # invalid tier string
+
+
+def tier_label(feature: str) -> str:
+    """Return a display label for a locked feature, or '' if free/unknown."""
+    required = FEATURES.get(feature)
+    if required is None:
+        return ""
+    return "🔒 Paid" if required == "paid" else "⭐ Premium"

tests/test_wizard_tiers.py

@@ -0,0 +1,69 @@
+import sys
+from pathlib import Path
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from app.wizard.tiers import can_use, tier_label, TIERS, FEATURES
+
+
+def test_tiers_list():
+    assert TIERS == ["free", "paid", "premium"]
+
+
+def test_can_use_free_feature_always():
+    # Features not in FEATURES dict are available to all tiers
+    assert can_use("free", "some_unknown_feature") is True
+
+
+def test_can_use_paid_feature_free_tier():
+    assert can_use("free", "company_research") is False
+
+
+def test_can_use_paid_feature_paid_tier():
+    assert can_use("paid", "company_research") is True
+
+
+def test_can_use_paid_feature_premium_tier():
+    assert can_use("premium", "company_research") is True
+
+
+def test_can_use_premium_feature_paid_tier():
+    assert can_use("paid", "model_fine_tuning") is False
+
+
+def test_can_use_premium_feature_premium_tier():
+    assert can_use("premium", "model_fine_tuning") is True
+
+
+def test_can_use_unknown_feature_always_true():
+    assert can_use("free", "nonexistent_feature") is True
+
+
+def test_tier_label_paid():
+    label = tier_label("company_research")
+    assert "Paid" in label or "paid" in label.lower()
+
+
+def test_tier_label_premium():
+    label = tier_label("model_fine_tuning")
+    assert "Premium" in label or "premium" in label.lower()
+
+
+def test_tier_label_free_feature():
+    label = tier_label("unknown_free_feature")
+    assert label == ""
+
+
+def test_can_use_invalid_tier_returns_false():
+    # Invalid tier string should return False (safe failure mode)
+    assert can_use("bogus", "company_research") is False
+
+
+def test_free_integrations_are_accessible():
+    # These integrations are free (not in FEATURES dict)
+    for feature in ["google_drive_sync", "dropbox_sync", "discord_notifications"]:
+        assert can_use("free", feature) is True
+
+
+def test_paid_integrations_gated():
+    assert can_use("free", "notion_sync") is False
+    assert can_use("paid", "notion_sync") is True