diff --git a/scoble-policy/opa/opa-policies-configmap.yaml b/scoble-policy/opa/opa-policies-configmap.yaml
index d308fde..45d46b1 100644
--- a/scoble-policy/opa/opa-policies-configmap.yaml
+++ b/scoble-policy/opa/opa-policies-configmap.yaml
@@ -1,7 +1,10 @@
 ---
 # ConfigMap containing the Rego policy bundle. Mounted at /policies in the
-# OPA pod. Policies share the `scobleclaw` package; per-agent files add
-# their own allow + agent-specific deny rules on top of _lib's base denies.
+# OPA pod. Per scobleclaw#42 refactor (cycle 142): policies are now split
+# into per-agent packages — `scobleclaw.lib` (helpers + base deny rules)
+# and one package per agent (`scobleclaw.main_agent`,
+# `scobleclaw.demo_concierge`, `scobleclaw.demo_watchdog`). API paths are
+# `data.scobleclaw.<agent>.{allow,deny,needs_l1}`.
 apiVersion: v1
 kind: ConfigMap
 metadata:
@@ -11,11 +14,23 @@ metadata:
     app: opa
     component: l0-judge
 data:
-  _lib.rego: |
-    package scobleclaw
+  lib.rego: |
+    package scobleclaw.lib
 
+    # lib.rego — shared helpers + base deny rules for all agents.
+    #
+    # Per scobleclaw#42 refactor: this file lives at `package scobleclaw.lib`
+    # (was `package scobleclaw` in the package-root layout). Per-agent policy
+    # files (main_agent, demo_concierge, demo_watchdog) `import data.scobleclaw.lib`
+    # to pull in the constants, helpers, and base deny rules. Each per-agent
+    # package re-aggregates `base_deny` into its own `deny` set so the API
+    # surface is `data.scobleclaw.<agent>.deny` (one path per agent).
+
+    # Internal email domain. Anything else is treated as external.
     internal_email_domain = "scoble.me"
 
+    # Kamelets that move money or have irreversible side-effects. They are
+    # ALWAYS denied at L0. L1/L2 cannot override an L0 deny.
     payment_kamelets = {
         "kamelet:source/stripe-charge",
         "kamelet:source/paypal-transfer",
@@ -41,14 +56,17 @@ data:
         params.repo != "engineering"
     }
 
-    deny[reason] {
+    # Base deny rules. Each per-agent package re-emits these into its own
+    # `deny` set via `deny[reason] { lib.base_deny[reason] }`, giving each
+    # agent a single `data.scobleclaw.<agent>.deny` path.
+    base_deny[reason] {
         input.kamelet_ref != ""
         input.params.to != ""
         is_external_email(input.params.domain)
         reason := sprintf("external email not permitted (domain=%v, to=%v)", [input.params.domain, input.params.to])
     }
 
-    deny[reason] {
+    base_deny[reason] {
         is_forgejo_write_outside_allowed(input.params)
         reason := sprintf(
             "forgejo writes restricted to marcus/engineering (got owner=%v repo=%v)",
@@ -56,12 +74,16 @@ data:
         )
     }
 
-    deny[reason] {
+    base_deny[reason] {
         is_payment_kamelet(input.kamelet_ref)
         reason := sprintf("payment kamelet blocked at L0: %v", [input.kamelet_ref])
     }
   main-agent.rego: |
-    package scobleclaw
+    package scobleclaw.main_agent
+
+    # main-agent.rego — policy for the primary orchestrator agent.
+    # Per scobleclaw#42: API path is `data.scobleclaw.main_agent.allow`.
+    import data.scobleclaw.lib
 
     main_agent_allowed_kamelets = {
         "kamelet:source/forgejo-search",
@@ -76,6 +98,11 @@ data:
         "kamelet:source/age-decrypt",
     }
 
+    # Re-emit lib base_deny into the per-agent deny set.
+    deny[reason] {
+        lib.base_deny[reason]
+    }
+
     allow {
         input.agent_id == "main-agent"
         main_agent_allowed_kamelets[input.kamelet_ref]
@@ -85,10 +112,14 @@ data:
     needs_l1 {
         input.agent_id == "main-agent"
         not main_agent_allowed_kamelets[input.kamelet_ref]
-        not payment_kamelets[input.kamelet_ref]
+        not lib.payment_kamelets[input.kamelet_ref]
     }
   demo-concierge.rego: |
-    package scobleclaw
+    package scobleclaw.demo_concierge
+
+    # demo-concierge.rego — policy for the demo concierge agent.
+    # Per scobleclaw#42: API path is `data.scobleclaw.demo_concierge.allow`.
+    import data.scobleclaw.lib
 
     demo_concierge_allowed_kamelets = {
         "kamelet:source/forgejo-search",
@@ -97,6 +128,18 @@ data:
         "kamelet:source/kamelet-dispatch",
     }
 
+    # Re-emit lib base_deny into the per-agent deny set.
+    deny[reason] {
+        lib.base_deny[reason]
+    }
+
+    # Per-agent deny: demo-concierge is read-only.
+    deny[reason] {
+        input.agent_id == "demo-concierge"
+        startswith(input.kamelet_ref, "kamelet:source/forgejo-create")
+        reason := sprintf("demo-concierge is read-only; %v not permitted", [input.kamelet_ref])
+    }
+
     allow {
         input.agent_id == "demo-concierge"
         demo_concierge_allowed_kamelets[input.kamelet_ref]
@@ -106,16 +149,14 @@ data:
     needs_l1 {
         input.agent_id == "demo-concierge"
         not demo_concierge_allowed_kamelets[input.kamelet_ref]
-        not payment_kamelets[input.kamelet_ref]
-    }
-
-    deny[reason] {
-        input.agent_id == "demo-concierge"
-        startswith(input.kamelet_ref, "kamelet:source/forgejo-create")
-        reason := sprintf("demo-concierge is read-only; %v not permitted", [input.kamelet_ref])
+        not lib.payment_kamelets[input.kamelet_ref]
     }
   demo-watchdog.rego: |
-    package scobleclaw
+    package scobleclaw.demo_watchdog
+
+    # demo-watchdog.rego — policy for the demo watchdog agent.
+    # Per scobleclaw#42: API path is `data.scobleclaw.demo_watchdog.allow`.
+    import data.scobleclaw.lib
 
     demo_watchdog_allowed_kamelets = {
         "kamelet:source/ob1-search",
@@ -124,6 +165,11 @@ data:
         "kamelet:source/kamelet-dispatch",
     }
 
+    # Re-emit lib base_deny into the per-agent deny set.
+    deny[reason] {
+        lib.base_deny[reason]
+    }
+
     allow {
         input.agent_id == "demo-watchdog"
         demo_watchdog_allowed_kamelets[input.kamelet_ref]
@@ -133,5 +179,5 @@ data:
     needs_l1 {
         input.agent_id == "demo-watchdog"
         not demo_watchdog_allowed_kamelets[input.kamelet_ref]
-        not payment_kamelets[input.kamelet_ref]
+        not lib.payment_kamelets[input.kamelet_ref]
     }
diff --git a/scoble-policy/opa/policies/demo-concierge.rego b/scoble-policy/opa/policies/demo-concierge.rego
index 6a2c6fe..1dc1f8a 100644
--- a/scoble-policy/opa/policies/demo-concierge.rego
+++ b/scoble-policy/opa/policies/demo-concierge.rego
@@ -1,9 +1,16 @@
-package scobleclaw
+package scobleclaw.demo_concierge
 
 # demo-concierge.rego — policy for the demo concierge agent.
 #
-# Scope: read-only Forgejo + OB1 read access. No writes anywhere. This is a
-# demo / smoke-test agent; its allowlist is intentionally small.
+# Per scobleclaw#42 refactor: this file now lives at
+# `package scobleclaw.demo_concierge` (was `package scobleclaw` in the
+# package-root layout). API path is now
+# `data.scobleclaw.demo_concierge.allow`.
+#
+# Scope: read-only Forgejo + OB1 read access. No writes anywhere. This
+# is a demo / smoke-test agent; its allowlist is intentionally small.
+
+import data.scobleclaw.lib
 
 demo_concierge_allowed_kamelets = {
     "kamelet:source/forgejo-search",
@@ -12,6 +19,24 @@ demo_concierge_allowed_kamelets = {
     "kamelet:source/kamelet-dispatch",
 }
 
+# ---------------------------------------------------------------------------
+# Deny set — re-emit base_deny from lib, plus per-agent rules.
+# ---------------------------------------------------------------------------
+
+deny[reason] {
+    lib.base_deny[reason]
+}
+
+# Per-agent deny rule: demo-concierge is read-only. Any kamelet whose
+# name suggests a Forgejo write (starts with `forgejo-create`) is
+# denied at L0. Note: this is in addition to the lib base_deny rules
+# (external email, forgejo writes outside engineering, payment kamelets).
+deny[reason] {
+    input.agent_id == "demo-concierge"
+    startswith(input.kamelet_ref, "kamelet:source/forgejo-create")
+    reason := sprintf("demo-concierge is read-only; %v not permitted", [input.kamelet_ref])
+}
+
 # Allow only if kamelet is on the allowlist AND no shared deny rule fires.
 allow {
     input.agent_id == "demo-concierge"
@@ -24,13 +49,5 @@ allow {
 needs_l1 {
     input.agent_id == "demo-concierge"
     not demo_concierge_allowed_kamelets[input.kamelet_ref]
-    not payment_kamelets[input.kamelet_ref]
-}
-
-# Per-agent deny rule: demo-concierge is read-only. Any kamelet whose
-# params suggest a write (presence of `body` + `create_*` action) is denied.
-deny[reason] {
-    input.agent_id == "demo-concierge"
-    startswith(input.kamelet_ref, "kamelet:source/forgejo-create")
-    reason := sprintf("demo-concierge is read-only; %v not permitted", [input.kamelet_ref])
+    not lib.payment_kamelets[input.kamelet_ref]
 }
diff --git a/scoble-policy/opa/policies/demo-watchdog.rego b/scoble-policy/opa/policies/demo-watchdog.rego
index adad5af..ac1cb47 100644
--- a/scoble-policy/opa/policies/demo-watchdog.rego
+++ b/scoble-policy/opa/policies/demo-watchdog.rego
@@ -1,9 +1,16 @@
-package scobleclaw
+package scobleclaw.demo_watchdog
 
 # demo-watchdog.rego — policy for the demo watchdog agent.
 #
-# Scope: monitoring-only. Can read OB1 thoughts and ping Discord, but cannot
-# touch Forgejo, kubectl, or any kamelet with side-effects.
+# Per scobleclaw#42 refactor: this file now lives at
+# `package scobleclaw.demo_watchdog` (was `package scobleclaw` in the
+# package-root layout). API path is now
+# `data.scobleclaw.demo_watchdog.allow`.
+#
+# Scope: monitoring-only. Can read OB1 thoughts and ping Discord, but
+# cannot touch Forgejo, kubectl, or any kamelet with side-effects.
+
+import data.scobleclaw.lib
 
 demo_watchdog_allowed_kamelets = {
     "kamelet:source/ob1-search",
@@ -12,6 +19,16 @@ demo_watchdog_allowed_kamelets = {
     "kamelet:source/kamelet-dispatch",
 }
 
+# ---------------------------------------------------------------------------
+# Deny set — re-emit base_deny from lib (watchdog has no per-agent
+# deny rules of its own; the lib's external-email / forgejo / payment
+# blocks are sufficient).
+# ---------------------------------------------------------------------------
+
+deny[reason] {
+    lib.base_deny[reason]
+}
+
 allow {
     input.agent_id == "demo-watchdog"
     demo_watchdog_allowed_kamelets[input.kamelet_ref]
@@ -21,9 +38,9 @@ allow {
 needs_l1 {
     input.agent_id == "demo-watchdog"
     not demo_watchdog_allowed_kamelets[input.kamelet_ref]
-    not payment_kamelets[input.kamelet_ref]
+    not lib.payment_kamelets[input.kamelet_ref]
 }
 
 # Watchdog is the only agent allowed to post to Discord from L0. The
-# shared `is_external_email` rule still applies, so Discord DMs to external
-# addresses are blocked.
+# shared `is_external_email` rule still applies, so Discord DMs to
+# external addresses are blocked.
diff --git a/scoble-policy/opa/policies/_lib.rego b/scoble-policy/opa/policies/lib.rego
similarity index 72%
rename from scoble-policy/opa/policies/_lib.rego
rename to scoble-policy/opa/policies/lib.rego
index ac81764..ab5dcc7 100644
--- a/scoble-policy/opa/policies/_lib.rego
+++ b/scoble-policy/opa/policies/lib.rego
@@ -1,10 +1,13 @@
-package scobleclaw
+package scobleclaw.lib
 
-# _lib.rego — shared helpers + base deny rules for all agents.
-# Every per-agent policy (main_agent, demo_concierge, demo_watchdog)
-# imports this file by including these rules in its own `allow` / `deny`
-# definitions. Rego merges rules across files in the same package, so
-# helpers below are visible everywhere in `scobleclaw.*`.
+# lib.rego — shared helpers + base deny rules for all agents.
+#
+# Per scobleclaw#42 refactor: this file lives at `package scobleclaw.lib`
+# (was `package scobleclaw` in the package-root layout). Per-agent policy
+# files (main_agent, demo_concierge, demo_watchdog) `import data.scobleclaw.lib`
+# to pull in the constants, helpers, and base deny rules. Each per-agent
+# package re-aggregates `base_deny` into its own `deny` set so the API
+# surface is `data.scobleclaw.<agent>.deny` (one path per agent).
 
 # ---------------------------------------------------------------------------
 # Input shape (L0 contract)
@@ -64,13 +67,21 @@ is_forgejo_write_outside_allowed(params) {
 }
 
 # ---------------------------------------------------------------------------
-# Base deny rules — every agent inherits these. An agent file only needs
-# to add its own `deny` rules on top.
+# Base deny rules — every agent inherits these by importing this package
+# and re-emitting the `base_deny` set into its own `deny` set.
 # ---------------------------------------------------------------------------
+#
+# Why `base_deny` instead of just `deny`? With per-agent packages, a
+# `deny` set in this lib package would be exposed at
+# `data.scobleclaw.lib.deny` (one shared path) and would force every
+# caller to merge it with the per-agent set. By naming it `base_deny`
+# here and letting each agent package own the final `deny` set, the
+# API stays clean: one `deny` path per agent, and the lib package
+# contributes only shared rules.
 
 # Rule 1: no external email. Any kamelet whose params include a `to` field
 # with an external email domain is denied.
-deny[reason] {
+base_deny[reason] {
     input.kamelet_ref != ""
     input.params.to != ""
     is_external_email(input.params.domain)
@@ -78,7 +89,7 @@ deny[reason] {
 }
 
 # Rule 2: no Forgejo writes outside marcus/engineering.
-deny[reason] {
+base_deny[reason] {
     is_forgejo_write_outside_allowed(input.params)
     reason := sprintf(
         "forgejo writes restricted to marcus/engineering (got owner=%v repo=%v)",
@@ -87,7 +98,7 @@ deny[reason] {
 }
 
 # Rule 3: no payment kamelets. Period.
-deny[reason] {
+base_deny[reason] {
     is_payment_kamelet(input.kamelet_ref)
     reason := sprintf("payment kamelet blocked at L0: %v", [input.kamelet_ref])
 }
diff --git a/scoble-policy/opa/policies/main-agent.rego b/scoble-policy/opa/policies/main-agent.rego
index a6f2615..3f34f56 100644
--- a/scoble-policy/opa/policies/main-agent.rego
+++ b/scoble-policy/opa/policies/main-agent.rego
@@ -1,13 +1,19 @@
-package scobleclaw
+package scobleclaw.main_agent
 
 # main-agent.rego — policy for the primary orchestrator agent.
 #
-# Scope: this is the agent that drives engineering work (Forgejo reads/writes,
-# OB1 captures, kamelet dispatch). It has the tightest allowlist.
+# Per scobleclaw#42 refactor: this file now lives at
+# `package scobleclaw.main_agent` (was `package scobleclaw` in the
+# package-root layout). API path is now `data.scobleclaw.main_agent.allow`
+# (was `data.scobleclaw.allow`). The shared `lib` package contributes
+# the base deny rules, which are re-emitted into the per-agent `deny`
+# set below so callers see a single `deny` path per agent.
 #
-# This file uses the same package as _lib.rego, so all the shared `deny`
-# rules apply automatically. We add a per-agent `allow` rule that defines
-# the kamelet allowlist and a couple of agent-specific deny rules.
+# Scope: this is the agent that drives engineering work (Forgejo
+# reads/writes, OB1 captures, kamelet dispatch). It has the tightest
+# allowlist.
+
+import data.scobleclaw.lib
 
 # ---------------------------------------------------------------------------
 # Per-agent allowlist
@@ -28,6 +34,18 @@ main_agent_allowed_kamelets = {
     "kamelet:source/age-decrypt",
 }
 
+# ---------------------------------------------------------------------------
+# Deny set — re-emit base_deny from lib, plus per-agent rules.
+# ---------------------------------------------------------------------------
+# Each rule below re-publishes a base_deny[reason] entry into the
+# per-agent `deny` set. This keeps the API surface to a single
+# `data.scobleclaw.main_agent.deny` path while still giving lib
+# ownership of the shared rules.
+
+deny[reason] {
+    lib.base_deny[reason]
+}
+
 # ---------------------------------------------------------------------------
 # Per-agent allow rule
 # ---------------------------------------------------------------------------
@@ -48,7 +66,5 @@ allow {
 needs_l1 {
     input.agent_id == "main-agent"
     not main_agent_allowed_kamelets[input.kamelet_ref]
-    not payment_kamelets[input.kamelet_ref]
+    not lib.payment_kamelets[input.kamelet_ref]
 }
-
-# Anything not main-agent falls through to the per-agent policy files.