Added a dedupe processor, and moved processor packages under processors/*

README.md

@@ -15,12 +15,12 @@ lifecycle, domain schemas, and domain-specific validation in your daemon.
 
 ## Conceptual pipeline
 
-Collect -> Process (optional stages, including normalize) -> Route -> Emit
+Collect -> Process (optional stages, including dedupe + normalize) -> Route -> Emit
 
 | Stage | Package(s) |
 |---|---|
 | Collect | `sources`, `scheduler` |
-| Process | `pipeline`, `processors`, `normalize` (optional stage) |
+| Process | `pipeline`, `processors`, `processors/dedupe`, `processors/normalize` (optional stages) |
 | Route | `dispatch` |
 | Emit | `sinks` |
 | Configure | `config` |
@@ -86,7 +86,11 @@ Processors can transform, drop, or reject events.
 Defines the generic processor interface and a named-driver registry used by
 daemons to build ordered processor chains.
 
-### `normalize`
+### `processors/dedupe`
+
+Built-in in-memory LRU dedupe processor that drops repeated events by `Event.ID`.
+
+### `processors/normalize`
 
 Concrete normalization processor implementation. Typical use: sources emit raw
 payload events, then a normalize stage maps them to canonical schemas.
@@ -100,7 +104,7 @@ Compiles routes and fans out events to sinks with per-sink queue/worker isolatio
 Defines sink interface and sink registry. Built-ins include:
 - `stdout`
 - `nats`
-- `postgres` (downstream registers table schema + event mapper; feedkit handles create-if-missing DDL, transactional inserts, and optional prune APIs)
+- `postgres`
 
 Detailed Postgres configuration and wiring examples live in package docs:
 `sinks/doc.go`.