feat(core): workspace, Observation, content-derived id

tines-core/src/consts.rs

@@ -0,0 +1,31 @@
+//! Compile-time constants for the tines workspace.
+//!
+//! Every value here is a compile-time `const` so it can drive generic
+//! parameters (e.g. `heapless::Vec` capacities) and be optimized away.
+
+/// Maximum topic length in bytes.
+pub const MAX_TOPIC: usize = 64;
+
+/// Maximum payload length in bytes.
+pub const MAX_PAYLOAD: usize = 1024;
+
+/// Maximum number of peers a node tracks.
+pub const MAX_PEERS: usize = 8;
+
+/// Maximum size, in bytes, of a per-key summary.
+pub const SUMMARY_BYTES: usize = 512;
+
+/// Number of hash functions used by the per-key Bloom filter.
+pub const BLOOM_K: usize = 3;
+
+/// Interval, in milliseconds, between summary emissions.
+pub const SUMMARY_INTERVAL_MS: u64 = 2000;
+
+/// Timeout, in milliseconds, for inbound frame reassembly.
+pub const REASSEMBLY_TIMEOUT_MS: u64 = 5000;
+
+/// Maximum number of frames buffered for outbound delivery.
+pub const SEND_QUEUE_CAP: usize = 256;
+
+/// Maximum UDP frame size in bytes.
+pub const MAX_FRAME: usize = 1500;