diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fce33b..d089f00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,3 +21,4 @@
 0.5.2 - Ajout de la table des tokens observés, de leur statut local et des premières requêtes de persistance associées  
 0.5.3 - Préparation du stockage local des événements techniques et des signaux utiles à l’analyse, avec distinction runtime / on-chain / métier  
 0.5.4 - Ajout du modèle métier normalisé initial pour les DEX, tokens, pools, paires, composition des pools et listings  
+0.5.5 - Activité métier normalisé  
diff --git a/Cargo.toml b/Cargo.toml
index b5f19b9..d159dd1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.5.4"
+version = "0.5.5"
 edition = "2024"
 license = "MIT"
 repository = "https://git.sasedev.com/Sasedev/khadhroony-bobobot"
diff --git a/kb_lib/src/db.rs b/kb_lib/src/db.rs
index 0917a90..cb2a21f 100644
--- a/kb_lib/src/db.rs
+++ b/kb_lib/src/db.rs
@@ -21,26 +21,34 @@ pub use crate::db::dtos::KbDbRuntimeEventDto;
 pub use crate::db::dtos::KbDexDto;
 pub use crate::db::dtos::KbKnownHttpEndpointDto;
 pub use crate::db::dtos::KbKnownWsEndpointDto;
+pub use crate::db::dtos::KbLiquidityEventDto;
 pub use crate::db::dtos::KbObservedTokenDto;
 pub use crate::db::dtos::KbOnchainObservationDto;
 pub use crate::db::dtos::KbPairDto;
 pub use crate::db::dtos::KbPoolDto;
 pub use crate::db::dtos::KbPoolListingDto;
 pub use crate::db::dtos::KbPoolTokenDto;
+pub use crate::db::dtos::KbSwapDto;
+pub use crate::db::dtos::KbTokenBurnEventDto;
 pub use crate::db::dtos::KbTokenDto;
+pub use crate::db::dtos::KbTokenMintEventDto;
 pub use crate::db::entities::KbAnalysisSignalEntity;
 pub use crate::db::entities::KbDbMetadataEntity;
 pub use crate::db::entities::KbDbRuntimeEventEntity;
 pub use crate::db::entities::KbDexEntity;
 pub use crate::db::entities::KbKnownHttpEndpointEntity;
 pub use crate::db::entities::KbKnownWsEndpointEntity;
+pub use crate::db::entities::KbLiquidityEventEntity;
 pub use crate::db::entities::KbObservedTokenEntity;
 pub use crate::db::entities::KbOnchainObservationEntity;
 pub use crate::db::entities::KbPairEntity;
 pub use crate::db::entities::KbPoolEntity;
 pub use crate::db::entities::KbPoolListingEntity;
 pub use crate::db::entities::KbPoolTokenEntity;
+pub use crate::db::entities::KbSwapEntity;
+pub use crate::db::entities::KbTokenBurnEventEntity;
 pub use crate::db::entities::KbTokenEntity;
+pub use crate::db::entities::KbTokenMintEventEntity;
 pub use crate::db::queries::get_db_metadata;
 pub use crate::db::queries::get_known_http_endpoint;
 pub use crate::db::queries::get_known_ws_endpoint;
@@ -56,22 +64,32 @@ pub use crate::db::queries::list_known_ws_endpoints;
 pub use crate::db::queries::list_observed_tokens;
 pub use crate::db::queries::list_recent_analysis_signals;
 pub use crate::db::queries::list_recent_db_runtime_events;
+pub use crate::db::queries::list_recent_liquidity_events;
 pub use crate::db::queries::list_recent_onchain_observations;
+pub use crate::db::queries::list_recent_swaps;
+pub use crate::db::queries::list_recent_token_burn_events;
+pub use crate::db::queries::list_recent_token_mint_events;
 pub use crate::db::queries::upsert_db_metadata;
 pub use crate::db::queries::upsert_dex;
 pub use crate::db::queries::upsert_known_http_endpoint;
 pub use crate::db::queries::upsert_known_ws_endpoint;
+pub use crate::db::queries::upsert_liquidity_event;
 pub use crate::db::queries::upsert_observed_token;
 pub use crate::db::queries::upsert_pair;
 pub use crate::db::queries::upsert_pool;
 pub use crate::db::queries::upsert_pool_listing;
 pub use crate::db::queries::upsert_pool_token;
+pub use crate::db::queries::upsert_swap;
 pub use crate::db::queries::upsert_token;
+pub use crate::db::queries::upsert_token_burn_event;
+pub use crate::db::queries::upsert_token_mint_event;
 pub use crate::db::types::KbAnalysisSignalSeverity;
 pub use crate::db::types::KbDatabaseBackend;
 pub use crate::db::types::KbDbRuntimeEventLevel;
+pub use crate::db::types::KbLiquidityEventKind;
 pub use crate::db::types::KbObservationSourceKind;
 pub use crate::db::types::KbObservedTokenStatus;
 pub use crate::db::types::KbPoolKind;
 pub use crate::db::types::KbPoolStatus;
 pub use crate::db::types::KbPoolTokenRole;
+pub use crate::db::types::KbSwapTradeSide;
diff --git a/kb_lib/src/db/dtos.rs b/kb_lib/src/db/dtos.rs
index 3ae4628..5f5e82c 100644
--- a/kb_lib/src/db/dtos.rs
+++ b/kb_lib/src/db/dtos.rs
@@ -8,13 +8,17 @@ mod db_runtime_event;
 mod dex;
 mod known_http_endpoint;
 mod known_ws_endpoint;
+mod liquidity_event;
 mod observed_token;
 mod onchain_observation;
 mod pair;
 mod pool;
 mod pool_listing;
 mod pool_token;
+mod swap;
 mod token;
+mod token_burn_event;
+mod token_mint_event;
 
 pub use crate::db::dtos::analysis_signal::KbAnalysisSignalDto;
 pub use crate::db::dtos::db_metadata::KbDbMetadataDto;
@@ -22,10 +26,14 @@ pub use crate::db::dtos::db_runtime_event::KbDbRuntimeEventDto;
 pub use crate::db::dtos::dex::KbDexDto;
 pub use crate::db::dtos::known_http_endpoint::KbKnownHttpEndpointDto;
 pub use crate::db::dtos::known_ws_endpoint::KbKnownWsEndpointDto;
+pub use crate::db::dtos::liquidity_event::KbLiquidityEventDto;
 pub use crate::db::dtos::observed_token::KbObservedTokenDto;
 pub use crate::db::dtos::onchain_observation::KbOnchainObservationDto;
 pub use crate::db::dtos::pair::KbPairDto;
 pub use crate::db::dtos::pool::KbPoolDto;
 pub use crate::db::dtos::pool_listing::KbPoolListingDto;
 pub use crate::db::dtos::pool_token::KbPoolTokenDto;
+pub use crate::db::dtos::swap::KbSwapDto;
 pub use crate::db::dtos::token::KbTokenDto;
+pub use crate::db::dtos::token_burn_event::KbTokenBurnEventDto;
+pub use crate::db::dtos::token_mint_event::KbTokenMintEventDto;
diff --git a/kb_lib/src/db/dtos/liquidity_event.rs b/kb_lib/src/db/dtos/liquidity_event.rs
new file mode 100644
index 0000000..4b1929f
--- /dev/null
+++ b/kb_lib/src/db/dtos/liquidity_event.rs
@@ -0,0 +1,134 @@
+// file: kb_lib/src/db/dtos/liquidity_event.rs
+
+//! Liquidity event DTO.
+
+/// Application-facing normalized liquidity event DTO.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct KbLiquidityEventDto {
+    /// Optional numeric primary key.
+    pub id: std::option::Option<i64>,
+    /// Related DEX id.
+    pub dex_id: i64,
+    /// Related pool id.
+    pub pool_id: i64,
+    /// Optional related pair id.
+    pub pair_id: std::option::Option<i64>,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<u64>,
+    /// Liquidity event kind.
+    pub event_kind: crate::KbLiquidityEventKind,
+    /// Optional actor wallet.
+    pub actor_wallet: std::option::Option<std::string::String>,
+    /// Base token id.
+    pub base_token_id: i64,
+    /// Quote token id.
+    pub quote_token_id: i64,
+    /// Optional LP token id.
+    pub lp_token_id: std::option::Option<i64>,
+    /// Base amount as decimal text.
+    pub base_amount: std::string::String,
+    /// Quote amount as decimal text.
+    pub quote_amount: std::string::String,
+    /// Optional LP amount as decimal text.
+    pub lp_amount: std::option::Option<std::string::String>,
+    /// Execution timestamp.
+    pub executed_at: chrono::DateTime<chrono::Utc>,
+}
+
+impl KbLiquidityEventDto {
+    /// Creates a new liquidity event DTO.
+    pub fn new(
+        dex_id: i64,
+        pool_id: i64,
+        pair_id: std::option::Option<i64>,
+        signature: std::string::String,
+        instruction_index: i64,
+        slot: std::option::Option<u64>,
+        event_kind: crate::KbLiquidityEventKind,
+        actor_wallet: std::option::Option<std::string::String>,
+        base_token_id: i64,
+        quote_token_id: i64,
+        lp_token_id: std::option::Option<i64>,
+        base_amount: std::string::String,
+        quote_amount: std::string::String,
+        lp_amount: std::option::Option<std::string::String>,
+    ) -> Self {
+        Self {
+            id: None,
+            dex_id,
+            pool_id,
+            pair_id,
+            signature,
+            instruction_index,
+            slot,
+            event_kind,
+            actor_wallet,
+            base_token_id,
+            quote_token_id,
+            lp_token_id,
+            base_amount,
+            quote_amount,
+            lp_amount,
+            executed_at: chrono::Utc::now(),
+        }
+    }
+}
+
+impl TryFrom<crate::KbLiquidityEventEntity> for KbLiquidityEventDto {
+    type Error = crate::KbError;
+
+    fn try_from(entity: crate::KbLiquidityEventEntity) -> Result<Self, Self::Error> {
+        let event_kind_result = crate::KbLiquidityEventKind::from_i16(entity.event_kind);
+        let event_kind = match event_kind_result {
+            Ok(event_kind) => event_kind,
+            Err(error) => return Err(error),
+        };
+        let executed_at_result = chrono::DateTime::parse_from_rfc3339(&entity.executed_at);
+        let executed_at = match executed_at_result {
+            Ok(executed_at) => executed_at.with_timezone(&chrono::Utc),
+            Err(error) => {
+                return Err(crate::KbError::Db(format!(
+                    "cannot parse liquidity event executed_at '{}': {}",
+                    entity.executed_at, error
+                )));
+            }
+        };
+        let slot = match entity.slot {
+            Some(slot) => {
+                let slot_result = u64::try_from(slot);
+                match slot_result {
+                    Ok(slot) => Some(slot),
+                    Err(error) => {
+                        return Err(crate::KbError::Db(format!(
+                            "cannot convert liquidity event slot '{}' to u64: {}",
+                            slot, error
+                        )));
+                    }
+                }
+            }
+            None => None,
+        };
+        Ok(Self {
+            id: Some(entity.id),
+            dex_id: entity.dex_id,
+            pool_id: entity.pool_id,
+            pair_id: entity.pair_id,
+            signature: entity.signature,
+            instruction_index: entity.instruction_index,
+            slot,
+            event_kind,
+            actor_wallet: entity.actor_wallet,
+            base_token_id: entity.base_token_id,
+            quote_token_id: entity.quote_token_id,
+            lp_token_id: entity.lp_token_id,
+            base_amount: entity.base_amount,
+            quote_amount: entity.quote_amount,
+            lp_amount: entity.lp_amount,
+            executed_at,
+        })
+    }
+}
diff --git a/kb_lib/src/db/dtos/swap.rs b/kb_lib/src/db/dtos/swap.rs
new file mode 100644
index 0000000..bbc0718
--- /dev/null
+++ b/kb_lib/src/db/dtos/swap.rs
@@ -0,0 +1,129 @@
+// file: kb_lib/src/db/dtos/swap.rs
+
+//! Swap DTO.
+
+/// Application-facing normalized swap DTO.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct KbSwapDto {
+    /// Optional numeric primary key.
+    pub id: std::option::Option<i64>,
+    /// Related DEX id.
+    pub dex_id: i64,
+    /// Related pool id.
+    pub pool_id: i64,
+    /// Optional related pair id.
+    pub pair_id: std::option::Option<i64>,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<u64>,
+    /// Optional trader wallet.
+    pub trader_wallet: std::option::Option<std::string::String>,
+    /// Base token id.
+    pub base_token_id: i64,
+    /// Quote token id.
+    pub quote_token_id: i64,
+    /// Base amount as decimal text.
+    pub base_amount: std::string::String,
+    /// Quote amount as decimal text.
+    pub quote_amount: std::string::String,
+    /// Optional price in quote units as decimal text.
+    pub price_quote: std::option::Option<std::string::String>,
+    /// Trade side relative to the base token.
+    pub trade_side: crate::KbSwapTradeSide,
+    /// Execution timestamp.
+    pub executed_at: chrono::DateTime<chrono::Utc>,
+}
+
+impl KbSwapDto {
+    /// Creates a new swap DTO.
+    pub fn new(
+        dex_id: i64,
+        pool_id: i64,
+        pair_id: std::option::Option<i64>,
+        signature: std::string::String,
+        instruction_index: i64,
+        slot: std::option::Option<u64>,
+        trader_wallet: std::option::Option<std::string::String>,
+        base_token_id: i64,
+        quote_token_id: i64,
+        base_amount: std::string::String,
+        quote_amount: std::string::String,
+        price_quote: std::option::Option<std::string::String>,
+        trade_side: crate::KbSwapTradeSide,
+    ) -> Self {
+        Self {
+            id: None,
+            dex_id,
+            pool_id,
+            pair_id,
+            signature,
+            instruction_index,
+            slot,
+            trader_wallet,
+            base_token_id,
+            quote_token_id,
+            base_amount,
+            quote_amount,
+            price_quote,
+            trade_side,
+            executed_at: chrono::Utc::now(),
+        }
+    }
+}
+
+impl TryFrom<crate::KbSwapEntity> for KbSwapDto {
+    type Error = crate::KbError;
+
+    fn try_from(entity: crate::KbSwapEntity) -> Result<Self, Self::Error> {
+        let trade_side_result = crate::KbSwapTradeSide::from_i16(entity.trade_side);
+        let trade_side = match trade_side_result {
+            Ok(trade_side) => trade_side,
+            Err(error) => return Err(error),
+        };
+        let executed_at_result = chrono::DateTime::parse_from_rfc3339(&entity.executed_at);
+        let executed_at = match executed_at_result {
+            Ok(executed_at) => executed_at.with_timezone(&chrono::Utc),
+            Err(error) => {
+                return Err(crate::KbError::Db(format!(
+                    "cannot parse swap executed_at '{}': {}",
+                    entity.executed_at, error
+                )));
+            }
+        };
+        let slot = match entity.slot {
+            Some(slot) => {
+                let slot_result = u64::try_from(slot);
+                match slot_result {
+                    Ok(slot) => Some(slot),
+                    Err(error) => {
+                        return Err(crate::KbError::Db(format!(
+                            "cannot convert swap slot '{}' to u64: {}",
+                            slot, error
+                        )));
+                    }
+                }
+            }
+            None => None,
+        };
+        Ok(Self {
+            id: Some(entity.id),
+            dex_id: entity.dex_id,
+            pool_id: entity.pool_id,
+            pair_id: entity.pair_id,
+            signature: entity.signature,
+            instruction_index: entity.instruction_index,
+            slot,
+            trader_wallet: entity.trader_wallet,
+            base_token_id: entity.base_token_id,
+            quote_token_id: entity.quote_token_id,
+            base_amount: entity.base_amount,
+            quote_amount: entity.quote_amount,
+            price_quote: entity.price_quote,
+            trade_side,
+            executed_at,
+        })
+    }
+}
diff --git a/kb_lib/src/db/dtos/token_burn_event.rs b/kb_lib/src/db/dtos/token_burn_event.rs
new file mode 100644
index 0000000..7f5ade5
--- /dev/null
+++ b/kb_lib/src/db/dtos/token_burn_event.rs
@@ -0,0 +1,103 @@
+// file: kb_lib/src/db/dtos/token_burn_event.rs
+
+//! Token burn event DTO.
+
+/// Application-facing normalized token burn event DTO.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct KbTokenBurnEventDto {
+    /// Optional numeric primary key.
+    pub id: std::option::Option<i64>,
+    /// Related token id.
+    pub token_id: i64,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<u64>,
+    /// Optional authority wallet.
+    pub authority_wallet: std::option::Option<std::string::String>,
+    /// Optional source wallet.
+    pub source_wallet: std::option::Option<std::string::String>,
+    /// Burned amount as decimal text.
+    pub amount: std::string::String,
+    /// Optional supply after burn as decimal text.
+    pub supply_after: std::option::Option<std::string::String>,
+    /// Execution timestamp.
+    pub executed_at: chrono::DateTime<chrono::Utc>,
+}
+
+impl KbTokenBurnEventDto {
+    /// Creates a new token burn event DTO.
+    pub fn new(
+        token_id: i64,
+        signature: std::string::String,
+        instruction_index: i64,
+        slot: std::option::Option<u64>,
+        authority_wallet: std::option::Option<std::string::String>,
+        source_wallet: std::option::Option<std::string::String>,
+        amount: std::string::String,
+        supply_after: std::option::Option<std::string::String>,
+    ) -> Self {
+        Self {
+            id: None,
+            token_id,
+            signature,
+            instruction_index,
+            slot,
+            authority_wallet,
+            source_wallet,
+            amount,
+            supply_after,
+            executed_at: chrono::Utc::now(),
+        }
+    }
+}
+
+impl TryFrom<crate::KbTokenBurnEventEntity> for KbTokenBurnEventDto {
+    type Error = crate::KbError;
+
+    fn try_from(
+        entity: crate::KbTokenBurnEventEntity,
+    ) -> Result<Self, Self::Error> {
+        let executed_at_result = chrono::DateTime::parse_from_rfc3339(&entity.executed_at);
+        let executed_at = match executed_at_result {
+            Ok(executed_at) => executed_at.with_timezone(&chrono::Utc),
+            Err(error) => {
+                return Err(crate::KbError::Db(format!(
+                    "cannot parse token burn event executed_at '{}': {}",
+                    entity.executed_at,
+                    error
+                )));
+            },
+        };
+        let slot = match entity.slot {
+            Some(slot) => {
+                let slot_result = u64::try_from(slot);
+                match slot_result {
+                    Ok(slot) => Some(slot),
+                    Err(error) => {
+                        return Err(crate::KbError::Db(format!(
+                            "cannot convert token burn event slot '{}' to u64: {}",
+                            slot,
+                            error
+                        )));
+                    },
+                }
+            },
+            None => None,
+        };
+        Ok(Self {
+            id: Some(entity.id),
+            token_id: entity.token_id,
+            signature: entity.signature,
+            instruction_index: entity.instruction_index,
+            slot,
+            authority_wallet: entity.authority_wallet,
+            source_wallet: entity.source_wallet,
+            amount: entity.amount,
+            supply_after: entity.supply_after,
+            executed_at,
+        })
+    }
+}
diff --git a/kb_lib/src/db/dtos/token_mint_event.rs b/kb_lib/src/db/dtos/token_mint_event.rs
new file mode 100644
index 0000000..a45b218
--- /dev/null
+++ b/kb_lib/src/db/dtos/token_mint_event.rs
@@ -0,0 +1,99 @@
+// file: kb_lib/src/db/dtos/token_mint_event.rs
+
+//! Token mint event DTO.
+
+/// Application-facing normalized token mint event DTO.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct KbTokenMintEventDto {
+    /// Optional numeric primary key.
+    pub id: std::option::Option<i64>,
+    /// Related token id.
+    pub token_id: i64,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<u64>,
+    /// Optional mint authority wallet.
+    pub authority_wallet: std::option::Option<std::string::String>,
+    /// Optional destination wallet.
+    pub destination_wallet: std::option::Option<std::string::String>,
+    /// Minted amount as decimal text.
+    pub amount: std::string::String,
+    /// Optional supply after mint as decimal text.
+    pub supply_after: std::option::Option<std::string::String>,
+    /// Execution timestamp.
+    pub executed_at: chrono::DateTime<chrono::Utc>,
+}
+
+impl KbTokenMintEventDto {
+    /// Creates a new token mint event DTO.
+    pub fn new(
+        token_id: i64,
+        signature: std::string::String,
+        instruction_index: i64,
+        slot: std::option::Option<u64>,
+        authority_wallet: std::option::Option<std::string::String>,
+        destination_wallet: std::option::Option<std::string::String>,
+        amount: std::string::String,
+        supply_after: std::option::Option<std::string::String>,
+    ) -> Self {
+        Self {
+            id: None,
+            token_id,
+            signature,
+            instruction_index,
+            slot,
+            authority_wallet,
+            destination_wallet,
+            amount,
+            supply_after,
+            executed_at: chrono::Utc::now(),
+        }
+    }
+}
+
+impl TryFrom<crate::KbTokenMintEventEntity> for KbTokenMintEventDto {
+    type Error = crate::KbError;
+
+    fn try_from(entity: crate::KbTokenMintEventEntity) -> Result<Self, Self::Error> {
+        let executed_at_result = chrono::DateTime::parse_from_rfc3339(&entity.executed_at);
+        let executed_at = match executed_at_result {
+            Ok(executed_at) => executed_at.with_timezone(&chrono::Utc),
+            Err(error) => {
+                return Err(crate::KbError::Db(format!(
+                    "cannot parse token mint event executed_at '{}': {}",
+                    entity.executed_at, error
+                )));
+            }
+        };
+        let slot = match entity.slot {
+            Some(slot) => {
+                let slot_result = u64::try_from(slot);
+                match slot_result {
+                    Ok(slot) => Some(slot),
+                    Err(error) => {
+                        return Err(crate::KbError::Db(format!(
+                            "cannot convert token mint event slot '{}' to u64: {}",
+                            slot, error
+                        )));
+                    }
+                }
+            }
+            None => None,
+        };
+        Ok(Self {
+            id: Some(entity.id),
+            token_id: entity.token_id,
+            signature: entity.signature,
+            instruction_index: entity.instruction_index,
+            slot,
+            authority_wallet: entity.authority_wallet,
+            destination_wallet: entity.destination_wallet,
+            amount: entity.amount,
+            supply_after: entity.supply_after,
+            executed_at,
+        })
+    }
+}
diff --git a/kb_lib/src/db/entities.rs b/kb_lib/src/db/entities.rs
index 0cd5ee5..da4a988 100644
--- a/kb_lib/src/db/entities.rs
+++ b/kb_lib/src/db/entities.rs
@@ -10,13 +10,17 @@ mod db_runtime_event;
 mod dex;
 mod known_http_endpoint;
 mod known_ws_endpoint;
+mod liquidity_event;
 mod observed_token;
 mod onchain_observation;
 mod pair;
 mod pool;
 mod pool_listing;
 mod pool_token;
+mod swap;
 mod token;
+mod token_burn_event;
+mod token_mint_event;
 
 pub use crate::db::entities::analysis_signal::KbAnalysisSignalEntity;
 pub use crate::db::entities::db_metadata::KbDbMetadataEntity;
@@ -24,10 +28,14 @@ pub use crate::db::entities::db_runtime_event::KbDbRuntimeEventEntity;
 pub use crate::db::entities::dex::KbDexEntity;
 pub use crate::db::entities::known_http_endpoint::KbKnownHttpEndpointEntity;
 pub use crate::db::entities::known_ws_endpoint::KbKnownWsEndpointEntity;
+pub use crate::db::entities::liquidity_event::KbLiquidityEventEntity;
 pub use crate::db::entities::observed_token::KbObservedTokenEntity;
 pub use crate::db::entities::onchain_observation::KbOnchainObservationEntity;
 pub use crate::db::entities::pair::KbPairEntity;
 pub use crate::db::entities::pool::KbPoolEntity;
 pub use crate::db::entities::pool_listing::KbPoolListingEntity;
 pub use crate::db::entities::pool_token::KbPoolTokenEntity;
+pub use crate::db::entities::swap::KbSwapEntity;
 pub use crate::db::entities::token::KbTokenEntity;
+pub use crate::db::entities::token_burn_event::KbTokenBurnEventEntity;
+pub use crate::db::entities::token_mint_event::KbTokenMintEventEntity;
diff --git a/kb_lib/src/db/entities/liquidity_event.rs b/kb_lib/src/db/entities/liquidity_event.rs
new file mode 100644
index 0000000..936cbf5
--- /dev/null
+++ b/kb_lib/src/db/entities/liquidity_event.rs
@@ -0,0 +1,40 @@
+// file: kb_lib/src/db/entities/liquidity_event.rs
+
+//! Liquidity event entity.
+
+/// Persisted normalized liquidity event row.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, sqlx::FromRow)]
+pub struct KbLiquidityEventEntity {
+    /// Numeric primary key.
+    pub id: i64,
+    /// Related DEX id.
+    pub dex_id: i64,
+    /// Related pool id.
+    pub pool_id: i64,
+    /// Optional related pair id.
+    pub pair_id: std::option::Option<i64>,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<i64>,
+    /// Event kind stored as stable integer.
+    pub event_kind: i16,
+    /// Optional actor wallet.
+    pub actor_wallet: std::option::Option<std::string::String>,
+    /// Base token id.
+    pub base_token_id: i64,
+    /// Quote token id.
+    pub quote_token_id: i64,
+    /// Optional LP token id.
+    pub lp_token_id: std::option::Option<i64>,
+    /// Base amount as decimal text.
+    pub base_amount: std::string::String,
+    /// Quote amount as decimal text.
+    pub quote_amount: std::string::String,
+    /// Optional LP amount as decimal text.
+    pub lp_amount: std::option::Option<std::string::String>,
+    /// Execution timestamp encoded as RFC3339 UTC text.
+    pub executed_at: std::string::String,
+}
diff --git a/kb_lib/src/db/entities/swap.rs b/kb_lib/src/db/entities/swap.rs
new file mode 100644
index 0000000..a948ed6
--- /dev/null
+++ b/kb_lib/src/db/entities/swap.rs
@@ -0,0 +1,38 @@
+// file: kb_lib/src/db/entities/swap.rs
+
+//! Swap entity.
+
+/// Persisted normalized swap row.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, sqlx::FromRow)]
+pub struct KbSwapEntity {
+    /// Numeric primary key.
+    pub id: i64,
+    /// Related DEX id.
+    pub dex_id: i64,
+    /// Related pool id.
+    pub pool_id: i64,
+    /// Optional related pair id.
+    pub pair_id: std::option::Option<i64>,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<i64>,
+    /// Optional trader wallet.
+    pub trader_wallet: std::option::Option<std::string::String>,
+    /// Base token id.
+    pub base_token_id: i64,
+    /// Quote token id.
+    pub quote_token_id: i64,
+    /// Base amount as decimal text.
+    pub base_amount: std::string::String,
+    /// Quote amount as decimal text.
+    pub quote_amount: std::string::String,
+    /// Optional price in quote units as decimal text.
+    pub price_quote: std::option::Option<std::string::String>,
+    /// Trade side stored as stable integer.
+    pub trade_side: i16,
+    /// Execution timestamp encoded as RFC3339 UTC text.
+    pub executed_at: std::string::String,
+}
diff --git a/kb_lib/src/db/entities/token_burn_event.rs b/kb_lib/src/db/entities/token_burn_event.rs
new file mode 100644
index 0000000..c797898
--- /dev/null
+++ b/kb_lib/src/db/entities/token_burn_event.rs
@@ -0,0 +1,28 @@
+// file: kb_lib/src/db/entities/token_burn_event.rs
+
+//! Token burn event entity.
+
+/// Persisted normalized token burn event row.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, sqlx::FromRow)]
+pub struct KbTokenBurnEventEntity {
+    /// Numeric primary key.
+    pub id: i64,
+    /// Related token id.
+    pub token_id: i64,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<i64>,
+    /// Optional authority wallet.
+    pub authority_wallet: std::option::Option<std::string::String>,
+    /// Optional source wallet.
+    pub source_wallet: std::option::Option<std::string::String>,
+    /// Burned amount as decimal text.
+    pub amount: std::string::String,
+    /// Optional supply after burn as decimal text.
+    pub supply_after: std::option::Option<std::string::String>,
+    /// Execution timestamp encoded as RFC3339 UTC text.
+    pub executed_at: std::string::String,
+}
diff --git a/kb_lib/src/db/entities/token_mint_event.rs b/kb_lib/src/db/entities/token_mint_event.rs
new file mode 100644
index 0000000..cfda6bb
--- /dev/null
+++ b/kb_lib/src/db/entities/token_mint_event.rs
@@ -0,0 +1,28 @@
+// file: kb_lib/src/db/entities/token_mint_event.rs
+
+//! Token mint event entity.
+
+/// Persisted normalized token mint event row.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, sqlx::FromRow)]
+pub struct KbTokenMintEventEntity {
+    /// Numeric primary key.
+    pub id: i64,
+    /// Related token id.
+    pub token_id: i64,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Instruction index inside the transaction.
+    pub instruction_index: i64,
+    /// Optional slot number.
+    pub slot: std::option::Option<i64>,
+    /// Optional mint authority wallet.
+    pub authority_wallet: std::option::Option<std::string::String>,
+    /// Optional destination wallet.
+    pub destination_wallet: std::option::Option<std::string::String>,
+    /// Minted amount as decimal text.
+    pub amount: std::string::String,
+    /// Optional supply after mint as decimal text.
+    pub supply_after: std::option::Option<std::string::String>,
+    /// Execution timestamp encoded as RFC3339 UTC text.
+    pub executed_at: std::string::String,
+}
diff --git a/kb_lib/src/db/queries.rs b/kb_lib/src/db/queries.rs
index 7f38005..a8909dc 100644
--- a/kb_lib/src/db/queries.rs
+++ b/kb_lib/src/db/queries.rs
@@ -8,13 +8,17 @@ mod db_runtime_event;
 mod dex;
 mod known_http_endpoint;
 mod known_ws_endpoint;
+mod liquidity_event;
 mod observed_token;
 mod onchain_observation;
 mod pair;
 mod pool;
 mod pool_listing;
 mod pool_token;
+mod swap;
 mod token;
+mod token_burn_event;
+mod token_mint_event;
 
 pub use crate::db::queries::analysis_signal::insert_analysis_signal;
 pub use crate::db::queries::analysis_signal::list_recent_analysis_signals;
@@ -31,6 +35,8 @@ pub use crate::db::queries::known_http_endpoint::upsert_known_http_endpoint;
 pub use crate::db::queries::known_ws_endpoint::get_known_ws_endpoint;
 pub use crate::db::queries::known_ws_endpoint::list_known_ws_endpoints;
 pub use crate::db::queries::known_ws_endpoint::upsert_known_ws_endpoint;
+pub use crate::db::queries::liquidity_event::list_recent_liquidity_events;
+pub use crate::db::queries::liquidity_event::upsert_liquidity_event;
 pub use crate::db::queries::observed_token::get_observed_token_by_mint;
 pub use crate::db::queries::observed_token::list_observed_tokens;
 pub use crate::db::queries::observed_token::upsert_observed_token;
@@ -40,5 +46,11 @@ pub use crate::db::queries::pair::upsert_pair;
 pub use crate::db::queries::pool::upsert_pool;
 pub use crate::db::queries::pool_listing::upsert_pool_listing;
 pub use crate::db::queries::pool_token::upsert_pool_token;
+pub use crate::db::queries::swap::list_recent_swaps;
+pub use crate::db::queries::swap::upsert_swap;
 pub use crate::db::queries::token::get_token_by_mint;
 pub use crate::db::queries::token::upsert_token;
+pub use crate::db::queries::token_burn_event::list_recent_token_burn_events;
+pub use crate::db::queries::token_burn_event::upsert_token_burn_event;
+pub use crate::db::queries::token_mint_event::list_recent_token_mint_events;
+pub use crate::db::queries::token_mint_event::upsert_token_mint_event;
diff --git a/kb_lib/src/db/queries/liquidity_event.rs b/kb_lib/src/db/queries/liquidity_event.rs
new file mode 100644
index 0000000..bf45239
--- /dev/null
+++ b/kb_lib/src/db/queries/liquidity_event.rs
@@ -0,0 +1,167 @@
+// file: kb_lib/src/db/queries/liquidity_event.rs
+
+//! Queries for `kb_liquidity_events`.
+
+/// Inserts or updates one normalized liquidity event row.
+pub async fn upsert_liquidity_event(
+    database: &crate::KbDatabase,
+    dto: &crate::KbLiquidityEventDto,
+) -> Result<i64, crate::KbError> {
+    let slot_i64 = match dto.slot {
+        Some(slot) => {
+            let slot_result = i64::try_from(slot);
+            match slot_result {
+                Ok(slot) => Some(slot),
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot convert liquidity event slot '{}' to i64: {}",
+                        slot, error
+                    )));
+                }
+            }
+        }
+        None => None,
+    };
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query(
+                r#"
+INSERT INTO kb_liquidity_events (
+    dex_id,
+    pool_id,
+    pair_id,
+    signature,
+    instruction_index,
+    slot,
+    event_kind,
+    actor_wallet,
+    base_token_id,
+    quote_token_id,
+    lp_token_id,
+    base_amount,
+    quote_amount,
+    lp_amount,
+    executed_at
+)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+ON CONFLICT(signature, instruction_index) DO UPDATE SET
+    dex_id = excluded.dex_id,
+    pool_id = excluded.pool_id,
+    pair_id = excluded.pair_id,
+    slot = excluded.slot,
+    event_kind = excluded.event_kind,
+    actor_wallet = excluded.actor_wallet,
+    base_token_id = excluded.base_token_id,
+    quote_token_id = excluded.quote_token_id,
+    lp_token_id = excluded.lp_token_id,
+    base_amount = excluded.base_amount,
+    quote_amount = excluded.quote_amount,
+    lp_amount = excluded.lp_amount,
+    executed_at = excluded.executed_at
+                "#,
+            )
+            .bind(dto.dex_id)
+            .bind(dto.pool_id)
+            .bind(dto.pair_id)
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .bind(slot_i64)
+            .bind(dto.event_kind.to_i16())
+            .bind(dto.actor_wallet.clone())
+            .bind(dto.base_token_id)
+            .bind(dto.quote_token_id)
+            .bind(dto.lp_token_id)
+            .bind(dto.base_amount.clone())
+            .bind(dto.quote_amount.clone())
+            .bind(dto.lp_amount.clone())
+            .bind(dto.executed_at.to_rfc3339())
+            .execute(pool)
+            .await;
+            if let Err(error) = query_result {
+                return Err(crate::KbError::Db(format!(
+                    "cannot upsert kb_liquidity_events on sqlite: {}",
+                    error
+                )));
+            }
+            let id_result = sqlx::query_scalar::<sqlx::Sqlite, i64>(
+                r#"
+SELECT id
+FROM kb_liquidity_events
+WHERE signature = ? AND instruction_index = ?
+LIMIT 1
+                "#,
+            )
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .fetch_one(pool)
+            .await;
+            match id_result {
+                Ok(id) => Ok(id),
+                Err(error) => Err(crate::KbError::Db(format!(
+                    "cannot fetch kb_liquidity_events id for signature '{}' and instruction_index '{}' on sqlite: {}",
+                    dto.signature, dto.instruction_index, error
+                ))),
+            }
+        }
+    }
+}
+
+/// Lists recent liquidity events ordered from newest to oldest.
+pub async fn list_recent_liquidity_events(
+    database: &crate::KbDatabase,
+    limit: u32,
+) -> Result<std::vec::Vec<crate::KbLiquidityEventDto>, crate::KbError> {
+    if limit == 0 {
+        return Ok(std::vec::Vec::new());
+    }
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query_as::<sqlx::Sqlite, crate::KbLiquidityEventEntity>(
+                r#"
+SELECT
+    id,
+    dex_id,
+    pool_id,
+    pair_id,
+    signature,
+    instruction_index,
+    slot,
+    event_kind,
+    actor_wallet,
+    base_token_id,
+    quote_token_id,
+    lp_token_id,
+    base_amount,
+    quote_amount,
+    lp_amount,
+    executed_at
+FROM kb_liquidity_events
+ORDER BY id DESC
+LIMIT ?
+                "#,
+            )
+            .bind(i64::from(limit))
+            .fetch_all(pool)
+            .await;
+            let entities = match query_result {
+                Ok(entities) => entities,
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot list kb_liquidity_events on sqlite: {}",
+                        error
+                    )));
+                }
+            };
+            let mut dtos = std::vec::Vec::new();
+            for entity in entities {
+                let dto_result = crate::KbLiquidityEventDto::try_from(entity);
+                let dto = match dto_result {
+                    Ok(dto) => dto,
+                    Err(error) => return Err(error),
+                };
+                dtos.push(dto);
+            }
+            Ok(dtos)
+        }
+    }
+}
diff --git a/kb_lib/src/db/queries/swap.rs b/kb_lib/src/db/queries/swap.rs
new file mode 100644
index 0000000..ca15847
--- /dev/null
+++ b/kb_lib/src/db/queries/swap.rs
@@ -0,0 +1,163 @@
+// file: kb_lib/src/db/queries/swap.rs
+
+//! Queries for `kb_swaps`.
+
+/// Inserts or updates one normalized swap row.
+pub async fn upsert_swap(
+    database: &crate::KbDatabase,
+    dto: &crate::KbSwapDto,
+) -> Result<i64, crate::KbError> {
+    let slot_i64 = match dto.slot {
+        Some(slot) => {
+            let slot_result = i64::try_from(slot);
+            match slot_result {
+                Ok(slot) => Some(slot),
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot convert swap slot '{}' to i64: {}",
+                        slot, error
+                    )));
+                }
+            }
+        }
+        None => None,
+    };
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query(
+                r#"
+INSERT INTO kb_swaps (
+    dex_id,
+    pool_id,
+    pair_id,
+    signature,
+    instruction_index,
+    slot,
+    trader_wallet,
+    base_token_id,
+    quote_token_id,
+    base_amount,
+    quote_amount,
+    price_quote,
+    trade_side,
+    executed_at
+)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+ON CONFLICT(signature, instruction_index) DO UPDATE SET
+    dex_id = excluded.dex_id,
+    pool_id = excluded.pool_id,
+    pair_id = excluded.pair_id,
+    slot = excluded.slot,
+    trader_wallet = excluded.trader_wallet,
+    base_token_id = excluded.base_token_id,
+    quote_token_id = excluded.quote_token_id,
+    base_amount = excluded.base_amount,
+    quote_amount = excluded.quote_amount,
+    price_quote = excluded.price_quote,
+    trade_side = excluded.trade_side,
+    executed_at = excluded.executed_at
+                "#,
+            )
+            .bind(dto.dex_id)
+            .bind(dto.pool_id)
+            .bind(dto.pair_id)
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .bind(slot_i64)
+            .bind(dto.trader_wallet.clone())
+            .bind(dto.base_token_id)
+            .bind(dto.quote_token_id)
+            .bind(dto.base_amount.clone())
+            .bind(dto.quote_amount.clone())
+            .bind(dto.price_quote.clone())
+            .bind(dto.trade_side.to_i16())
+            .bind(dto.executed_at.to_rfc3339())
+            .execute(pool)
+            .await;
+            if let Err(error) = query_result {
+                return Err(crate::KbError::Db(format!(
+                    "cannot upsert kb_swaps on sqlite: {}",
+                    error
+                )));
+            }
+            let id_result = sqlx::query_scalar::<sqlx::Sqlite, i64>(
+                r#"
+SELECT id
+FROM kb_swaps
+WHERE signature = ? AND instruction_index = ?
+LIMIT 1
+                "#,
+            )
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .fetch_one(pool)
+            .await;
+            match id_result {
+                Ok(id) => Ok(id),
+                Err(error) => Err(crate::KbError::Db(format!(
+                    "cannot fetch kb_swaps id for signature '{}' and instruction_index '{}' on sqlite: {}",
+                    dto.signature, dto.instruction_index, error
+                ))),
+            }
+        }
+    }
+}
+
+/// Lists recent swaps ordered from newest to oldest.
+pub async fn list_recent_swaps(
+    database: &crate::KbDatabase,
+    limit: u32,
+) -> Result<std::vec::Vec<crate::KbSwapDto>, crate::KbError> {
+    if limit == 0 {
+        return Ok(std::vec::Vec::new());
+    }
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query_as::<sqlx::Sqlite, crate::KbSwapEntity>(
+                r#"
+SELECT
+    id,
+    dex_id,
+    pool_id,
+    pair_id,
+    signature,
+    instruction_index,
+    slot,
+    trader_wallet,
+    base_token_id,
+    quote_token_id,
+    base_amount,
+    quote_amount,
+    price_quote,
+    trade_side,
+    executed_at
+FROM kb_swaps
+ORDER BY id DESC
+LIMIT ?
+                "#,
+            )
+            .bind(i64::from(limit))
+            .fetch_all(pool)
+            .await;
+            let entities = match query_result {
+                Ok(entities) => entities,
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot list kb_swaps on sqlite: {}",
+                        error
+                    )));
+                }
+            };
+            let mut dtos = std::vec::Vec::new();
+            for entity in entities {
+                let dto_result = crate::KbSwapDto::try_from(entity);
+                let dto = match dto_result {
+                    Ok(dto) => dto,
+                    Err(error) => return Err(error),
+                };
+                dtos.push(dto);
+            }
+            Ok(dtos)
+        }
+    }
+}
diff --git a/kb_lib/src/db/queries/token_burn_event.rs b/kb_lib/src/db/queries/token_burn_event.rs
new file mode 100644
index 0000000..f8ed06b
--- /dev/null
+++ b/kb_lib/src/db/queries/token_burn_event.rs
@@ -0,0 +1,319 @@
+// file: kb_lib/src/db/queries/token_burn_event.rs
+
+//! Queries for `kb_token_burn_events`.
+
+/// Inserts or updates one normalized token burn event row.
+pub async fn upsert_token_burn_event(
+    database: &crate::KbDatabase,
+    dto: &crate::KbTokenBurnEventDto,
+) -> Result<i64, crate::KbError> {
+    let slot_i64 = match dto.slot {
+        Some(slot) => {
+            let slot_result = i64::try_from(slot);
+            match slot_result {
+                Ok(slot) => Some(slot),
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot convert token burn event slot '{}' to i64: {}",
+                        slot, error
+                    )));
+                }
+            }
+        }
+        None => None,
+    };
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query(
+                r#"
+INSERT INTO kb_token_burn_events (
+    token_id,
+    signature,
+    instruction_index,
+    slot,
+    authority_wallet,
+    source_wallet,
+    amount,
+    supply_after,
+    executed_at
+)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+ON CONFLICT(signature, instruction_index) DO UPDATE SET
+    token_id = excluded.token_id,
+    slot = excluded.slot,
+    authority_wallet = excluded.authority_wallet,
+    source_wallet = excluded.source_wallet,
+    amount = excluded.amount,
+    supply_after = excluded.supply_after,
+    executed_at = excluded.executed_at
+                "#,
+            )
+            .bind(dto.token_id)
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .bind(slot_i64)
+            .bind(dto.authority_wallet.clone())
+            .bind(dto.source_wallet.clone())
+            .bind(dto.amount.clone())
+            .bind(dto.supply_after.clone())
+            .bind(dto.executed_at.to_rfc3339())
+            .execute(pool)
+            .await;
+            if let Err(error) = query_result {
+                return Err(crate::KbError::Db(format!(
+                    "cannot upsert kb_token_burn_events on sqlite: {}",
+                    error
+                )));
+            }
+            let id_result = sqlx::query_scalar::<sqlx::Sqlite, i64>(
+                r#"
+SELECT id
+FROM kb_token_burn_events
+WHERE signature = ? AND instruction_index = ?
+LIMIT 1
+                "#,
+            )
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .fetch_one(pool)
+            .await;
+            match id_result {
+                Ok(id) => Ok(id),
+                Err(error) => Err(crate::KbError::Db(format!(
+                    "cannot fetch kb_token_burn_events id for signature '{}' and instruction_index '{}' on sqlite: {}",
+                    dto.signature, dto.instruction_index, error
+                ))),
+            }
+        }
+    }
+}
+
+/// Lists recent token burn events ordered from newest to oldest.
+pub async fn list_recent_token_burn_events(
+    database: &crate::KbDatabase,
+    limit: u32,
+) -> Result<std::vec::Vec<crate::KbTokenBurnEventDto>, crate::KbError> {
+    if limit == 0 {
+        return Ok(std::vec::Vec::new());
+    }
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query_as::<sqlx::Sqlite, crate::KbTokenBurnEventEntity>(
+                r#"
+SELECT
+    id,
+    token_id,
+    signature,
+    instruction_index,
+    slot,
+    authority_wallet,
+    source_wallet,
+    amount,
+    supply_after,
+    executed_at
+FROM kb_token_burn_events
+ORDER BY id DESC
+LIMIT ?
+                "#,
+            )
+            .bind(i64::from(limit))
+            .fetch_all(pool)
+            .await;
+            let entities = match query_result {
+                Ok(entities) => entities,
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot list kb_token_burn_events on sqlite: {}",
+                        error
+                    )));
+                }
+            };
+            let mut dtos = std::vec::Vec::new();
+            for entity in entities {
+                let dto_result = crate::KbTokenBurnEventDto::try_from(entity);
+                let dto = match dto_result {
+                    Ok(dto) => dto,
+                    Err(error) => return Err(error),
+                };
+                dtos.push(dto);
+            }
+            Ok(dtos)
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    #[tokio::test]
+    async fn normalized_activity_roundtrip_works() {
+        let tempdir = tempfile::tempdir().expect("tempdir must succeed");
+        let database_path = tempdir.path().join("normalized_activity.sqlite3");
+        let config = crate::KbDatabaseConfig {
+            enabled: true,
+            backend: crate::KbDatabaseBackend::Sqlite,
+            sqlite: crate::KbSqliteDatabaseConfig {
+                path: database_path.to_string_lossy().to_string(),
+                create_if_missing: true,
+                busy_timeout_ms: 5000,
+                max_connections: 1,
+                auto_initialize_schema: true,
+                use_wal: true,
+            },
+        };
+        let database = crate::KbDatabase::connect_and_initialize(&config)
+            .await
+            .expect("database init must succeed");
+        let dex_id = crate::upsert_dex(
+            &database,
+            &crate::KbDexDto::new(
+                "raydium".to_string(),
+                "Raydium".to_string(),
+                None,
+                None,
+                true,
+            ),
+        )
+        .await
+        .expect("dex upsert must succeed");
+        let base_token_id = crate::upsert_token(
+            &database,
+            &crate::KbTokenDto::new(
+                "Base111111111111111111111111111111111111111".to_string(),
+                Some("BASE".to_string()),
+                Some("Base Token".to_string()),
+                Some(6),
+                crate::SPL_TOKEN_PROGRAM_ID.to_string(),
+                false,
+            ),
+        )
+        .await
+        .expect("base token upsert must succeed");
+        let quote_token_id = crate::upsert_token(
+            &database,
+            &crate::KbTokenDto::new(
+                "So11111111111111111111111111111111111111112".to_string(),
+                Some("WSOL".to_string()),
+                Some("Wrapped SOL".to_string()),
+                Some(9),
+                crate::SPL_TOKEN_PROGRAM_ID.to_string(),
+                true,
+            ),
+        )
+        .await
+        .expect("quote token upsert must succeed");
+        let pool_id = crate::upsert_pool(
+            &database,
+            &crate::KbPoolDto::new(
+                dex_id,
+                "Pool111111111111111111111111111111111111111".to_string(),
+                crate::KbPoolKind::Amm,
+                crate::KbPoolStatus::Active,
+            ),
+        )
+        .await
+        .expect("pool upsert must succeed");
+        let pair_id = crate::upsert_pair(
+            &database,
+            &crate::KbPairDto::new(
+                dex_id,
+                pool_id,
+                base_token_id,
+                quote_token_id,
+                Some("BASE/WSOL".to_string()),
+            ),
+        )
+        .await
+        .expect("pair upsert must succeed");
+        let swap_id = crate::upsert_swap(
+            &database,
+            &crate::KbSwapDto::new(
+                dex_id,
+                pool_id,
+                Some(pair_id),
+                "swap-signature-1".to_string(),
+                0,
+                Some(1000),
+                Some("Trader11111111111111111111111111111111111".to_string()),
+                base_token_id,
+                quote_token_id,
+                "1000.50".to_string(),
+                "2.75".to_string(),
+                Some("0.002748625687156422".to_string()),
+                crate::KbSwapTradeSide::BuyBase,
+            ),
+        )
+        .await
+        .expect("swap upsert must succeed");
+        let liquidity_id = crate::upsert_liquidity_event(
+            &database,
+            &crate::KbLiquidityEventDto::new(
+                dex_id,
+                pool_id,
+                Some(pair_id),
+                "liq-signature-1".to_string(),
+                1,
+                Some(1001),
+                crate::KbLiquidityEventKind::Add,
+                Some("LpUser1111111111111111111111111111111111".to_string()),
+                base_token_id,
+                quote_token_id,
+                None,
+                "5000".to_string(),
+                "15".to_string(),
+                None,
+            ),
+        )
+        .await
+        .expect("liquidity event upsert must succeed");
+        let mint_id = crate::upsert_token_mint_event(
+            &database,
+            &crate::KbTokenMintEventDto::new(
+                base_token_id,
+                "mint-signature-1".to_string(),
+                2,
+                Some(1002),
+                Some("MintAuthority111111111111111111111111111".to_string()),
+                Some("Dest1111111111111111111111111111111111111".to_string()),
+                "1000000".to_string(),
+                Some("5000000".to_string()),
+            ),
+        )
+        .await
+        .expect("token mint event upsert must succeed");
+        let burn_id = crate::upsert_token_burn_event(
+            &database,
+            &crate::KbTokenBurnEventDto::new(
+                base_token_id,
+                "burn-signature-1".to_string(),
+                3,
+                Some(1003),
+                Some("BurnAuthority111111111111111111111111111".to_string()),
+                Some("Source11111111111111111111111111111111111".to_string()),
+                "25000".to_string(),
+                Some("4975000".to_string()),
+            ),
+        )
+        .await
+        .expect("token burn event upsert must succeed");
+        assert!(swap_id > 0);
+        assert!(liquidity_id > 0);
+        assert!(mint_id > 0);
+        assert!(burn_id > 0);
+        let swaps = crate::list_recent_swaps(&database, 10)
+            .await
+            .expect("swaps list must succeed");
+        let liquidity_events = crate::list_recent_liquidity_events(&database, 10)
+            .await
+            .expect("liquidity list must succeed");
+        let mint_events = crate::list_recent_token_mint_events(&database, 10)
+            .await
+            .expect("mint events list must succeed");
+        let burn_events = crate::list_recent_token_burn_events(&database, 10)
+            .await
+            .expect("burn events list must succeed");
+        assert_eq!(swaps.len(), 1);
+        assert_eq!(liquidity_events.len(), 1);
+        assert_eq!(mint_events.len(), 1);
+        assert_eq!(burn_events.len(), 1);
+    }
+}
diff --git a/kb_lib/src/db/queries/token_mint_event.rs b/kb_lib/src/db/queries/token_mint_event.rs
new file mode 100644
index 0000000..bd50158
--- /dev/null
+++ b/kb_lib/src/db/queries/token_mint_event.rs
@@ -0,0 +1,143 @@
+// file: kb_lib/src/db/queries/token_mint_event.rs
+
+//! Queries for `kb_token_mint_events`.
+
+/// Inserts or updates one normalized token mint event row.
+pub async fn upsert_token_mint_event(
+    database: &crate::KbDatabase,
+    dto: &crate::KbTokenMintEventDto,
+) -> Result<i64, crate::KbError> {
+    let slot_i64 = match dto.slot {
+        Some(slot) => {
+            let slot_result = i64::try_from(slot);
+            match slot_result {
+                Ok(slot) => Some(slot),
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot convert token mint event slot '{}' to i64: {}",
+                        slot, error
+                    )));
+                }
+            }
+        }
+        None => None,
+    };
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query(
+                r#"
+INSERT INTO kb_token_mint_events (
+    token_id,
+    signature,
+    instruction_index,
+    slot,
+    authority_wallet,
+    destination_wallet,
+    amount,
+    supply_after,
+    executed_at
+)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+ON CONFLICT(signature, instruction_index) DO UPDATE SET
+    token_id = excluded.token_id,
+    slot = excluded.slot,
+    authority_wallet = excluded.authority_wallet,
+    destination_wallet = excluded.destination_wallet,
+    amount = excluded.amount,
+    supply_after = excluded.supply_after,
+    executed_at = excluded.executed_at
+                "#,
+            )
+            .bind(dto.token_id)
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .bind(slot_i64)
+            .bind(dto.authority_wallet.clone())
+            .bind(dto.destination_wallet.clone())
+            .bind(dto.amount.clone())
+            .bind(dto.supply_after.clone())
+            .bind(dto.executed_at.to_rfc3339())
+            .execute(pool)
+            .await;
+            if let Err(error) = query_result {
+                return Err(crate::KbError::Db(format!(
+                    "cannot upsert kb_token_mint_events on sqlite: {}",
+                    error
+                )));
+            }
+            let id_result = sqlx::query_scalar::<sqlx::Sqlite, i64>(
+                r#"
+SELECT id
+FROM kb_token_mint_events
+WHERE signature = ? AND instruction_index = ?
+LIMIT 1
+                "#,
+            )
+            .bind(dto.signature.clone())
+            .bind(dto.instruction_index)
+            .fetch_one(pool)
+            .await;
+            match id_result {
+                Ok(id) => Ok(id),
+                Err(error) => Err(crate::KbError::Db(format!(
+                    "cannot fetch kb_token_mint_events id for signature '{}' and instruction_index '{}' on sqlite: {}",
+                    dto.signature, dto.instruction_index, error
+                ))),
+            }
+        }
+    }
+}
+
+/// Lists recent token mint events ordered from newest to oldest.
+pub async fn list_recent_token_mint_events(
+    database: &crate::KbDatabase,
+    limit: u32,
+) -> Result<std::vec::Vec<crate::KbTokenMintEventDto>, crate::KbError> {
+    if limit == 0 {
+        return Ok(std::vec::Vec::new());
+    }
+    match database.connection() {
+        crate::KbDatabaseConnection::Sqlite(pool) => {
+            let query_result = sqlx::query_as::<sqlx::Sqlite, crate::KbTokenMintEventEntity>(
+                r#"
+SELECT
+    id,
+    token_id,
+    signature,
+    instruction_index,
+    slot,
+    authority_wallet,
+    destination_wallet,
+    amount,
+    supply_after,
+    executed_at
+FROM kb_token_mint_events
+ORDER BY id DESC
+LIMIT ?
+                "#,
+            )
+            .bind(i64::from(limit))
+            .fetch_all(pool)
+            .await;
+            let entities = match query_result {
+                Ok(entities) => entities,
+                Err(error) => {
+                    return Err(crate::KbError::Db(format!(
+                        "cannot list kb_token_mint_events on sqlite: {}",
+                        error
+                    )));
+                }
+            };
+            let mut dtos = std::vec::Vec::new();
+            for entity in entities {
+                let dto_result = crate::KbTokenMintEventDto::try_from(entity);
+                let dto = match dto_result {
+                    Ok(dto) => dto,
+                    Err(error) => return Err(error),
+                };
+                dtos.push(dto);
+            }
+            Ok(dtos)
+        }
+    }
+}
diff --git a/kb_lib/src/db/schema.rs b/kb_lib/src/db/schema.rs
index 93a7b5b..e640b3f 100644
--- a/kb_lib/src/db/schema.rs
+++ b/kb_lib/src/db/schema.rs
@@ -148,7 +148,7 @@ CREATE TABLE IF NOT EXISTS kb_pools (
     first_seen_at TEXT NOT NULL,
     updated_at TEXT NOT NULL,
     FOREIGN KEY(dex_id) REFERENCES kb_dexes(id)
-                )
+)
                 "#,
                 r#"
 CREATE INDEX IF NOT EXISTS kb_idx_pools_dex_id
@@ -168,7 +168,7 @@ CREATE TABLE IF NOT EXISTS kb_pairs (
     FOREIGN KEY(pool_id) REFERENCES kb_pools(id),
     FOREIGN KEY(base_token_id) REFERENCES kb_tokens(id),
     FOREIGN KEY(quote_token_id) REFERENCES kb_tokens(id)
-                )
+)
                 "#,
                 r#"
 CREATE TABLE IF NOT EXISTS kb_pool_tokens (
@@ -183,7 +183,7 @@ CREATE TABLE IF NOT EXISTS kb_pool_tokens (
     FOREIGN KEY(pool_id) REFERENCES kb_pools(id),
     FOREIGN KEY(token_id) REFERENCES kb_tokens(id),
     UNIQUE(pool_id, token_id, role)
-                )
+)
                 "#,
                 r#"
 CREATE TABLE IF NOT EXISTS kb_pool_listings (
@@ -201,12 +201,128 @@ CREATE TABLE IF NOT EXISTS kb_pool_listings (
     FOREIGN KEY(dex_id) REFERENCES kb_dexes(id),
     FOREIGN KEY(pool_id) REFERENCES kb_pools(id),
     FOREIGN KEY(pair_id) REFERENCES kb_pairs(id)
-                )
+)
                 "#,
                 r#"
 CREATE INDEX IF NOT EXISTS kb_idx_pool_listings_detected_at
 ON kb_pool_listings (detected_at)
                 "#,
+                r#"
+CREATE TABLE IF NOT EXISTS kb_swaps (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    dex_id INTEGER NOT NULL,
+    pool_id INTEGER NOT NULL,
+    pair_id INTEGER NULL,
+    signature TEXT NOT NULL,
+    instruction_index INTEGER NOT NULL,
+    slot INTEGER NULL,
+    trader_wallet TEXT NULL,
+    base_token_id INTEGER NOT NULL,
+    quote_token_id INTEGER NOT NULL,
+    base_amount TEXT NOT NULL,
+    quote_amount TEXT NOT NULL,
+    price_quote TEXT NULL,
+    trade_side INTEGER NOT NULL,
+    executed_at TEXT NOT NULL,
+    FOREIGN KEY(dex_id) REFERENCES kb_dexes(id),
+    FOREIGN KEY(pool_id) REFERENCES kb_pools(id),
+    FOREIGN KEY(pair_id) REFERENCES kb_pairs(id),
+    FOREIGN KEY(base_token_id) REFERENCES kb_tokens(id),
+    FOREIGN KEY(quote_token_id) REFERENCES kb_tokens(id),
+    UNIQUE(signature, instruction_index)
+)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_swaps_pool_id
+ON kb_swaps (pool_id)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_swaps_executed_at
+ON kb_swaps (executed_at)
+                "#,
+                r#"
+CREATE TABLE IF NOT EXISTS kb_liquidity_events (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    dex_id INTEGER NOT NULL,
+    pool_id INTEGER NOT NULL,
+    pair_id INTEGER NULL,
+    signature TEXT NOT NULL,
+    instruction_index INTEGER NOT NULL,
+    slot INTEGER NULL,
+    event_kind INTEGER NOT NULL,
+    actor_wallet TEXT NULL,
+    base_token_id INTEGER NOT NULL,
+    quote_token_id INTEGER NOT NULL,
+    lp_token_id INTEGER NULL,
+    base_amount TEXT NOT NULL,
+    quote_amount TEXT NOT NULL,
+    lp_amount TEXT NULL,
+    executed_at TEXT NOT NULL,
+    FOREIGN KEY(dex_id) REFERENCES kb_dexes(id),
+    FOREIGN KEY(pool_id) REFERENCES kb_pools(id),
+    FOREIGN KEY(pair_id) REFERENCES kb_pairs(id),
+    FOREIGN KEY(base_token_id) REFERENCES kb_tokens(id),
+    FOREIGN KEY(quote_token_id) REFERENCES kb_tokens(id),
+    FOREIGN KEY(lp_token_id) REFERENCES kb_tokens(id),
+    UNIQUE(signature, instruction_index)
+)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_liquidity_events_pool_id
+ON kb_liquidity_events (pool_id)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_liquidity_events_executed_at
+ON kb_liquidity_events (executed_at)
+                "#,
+                r#"
+CREATE TABLE IF NOT EXISTS kb_token_mint_events (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    token_id INTEGER NOT NULL,
+    signature TEXT NOT NULL,
+    instruction_index INTEGER NOT NULL,
+    slot INTEGER NULL,
+    authority_wallet TEXT NULL,
+    destination_wallet TEXT NULL,
+    amount TEXT NOT NULL,
+    supply_after TEXT NULL,
+    executed_at TEXT NOT NULL,
+    FOREIGN KEY(token_id) REFERENCES kb_tokens(id),
+    UNIQUE(signature, instruction_index)
+)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_token_mint_events_token_id
+ON kb_token_mint_events (token_id)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_token_mint_events_executed_at
+ON kb_token_mint_events (executed_at)
+                "#,
+                r#"
+CREATE TABLE IF NOT EXISTS kb_token_burn_events (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    token_id INTEGER NOT NULL,
+    signature TEXT NOT NULL,
+    instruction_index INTEGER NOT NULL,
+    slot INTEGER NULL,
+    authority_wallet TEXT NULL,
+    source_wallet TEXT NULL,
+    amount TEXT NOT NULL,
+    supply_after TEXT NULL,
+    executed_at TEXT NOT NULL,
+    FOREIGN KEY(token_id) REFERENCES kb_tokens(id),
+    UNIQUE(signature, instruction_index)
+)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_token_burn_events_token_id
+ON kb_token_burn_events (token_id)
+                "#,
+                r#"
+CREATE INDEX IF NOT EXISTS kb_idx_token_burn_events_executed_at
+ON kb_token_burn_events (executed_at)
+                "#,
             ];
             for statement in statements {
                 let execute_result = sqlx::query(statement).execute(pool).await;
diff --git a/kb_lib/src/db/types.rs b/kb_lib/src/db/types.rs
index 727e295..a429406 100644
--- a/kb_lib/src/db/types.rs
+++ b/kb_lib/src/db/types.rs
@@ -4,18 +4,22 @@
 
 mod analysis_signal_severity;
 mod database_backend;
+mod liquidity_event_kind;
 mod observation_source_kind;
 mod observed_token_status;
 mod pool_kind;
 mod pool_status;
 mod pool_token_role;
 mod runtime_event_level;
+mod swap_trade_side;
 
 pub use crate::db::types::analysis_signal_severity::KbAnalysisSignalSeverity;
 pub use crate::db::types::database_backend::KbDatabaseBackend;
+pub use crate::db::types::liquidity_event_kind::KbLiquidityEventKind;
 pub use crate::db::types::observation_source_kind::KbObservationSourceKind;
 pub use crate::db::types::observed_token_status::KbObservedTokenStatus;
 pub use crate::db::types::pool_kind::KbPoolKind;
 pub use crate::db::types::pool_status::KbPoolStatus;
 pub use crate::db::types::pool_token_role::KbPoolTokenRole;
 pub use crate::db::types::runtime_event_level::KbDbRuntimeEventLevel;
+pub use crate::db::types::swap_trade_side::KbSwapTradeSide;
diff --git a/kb_lib/src/db/types/liquidity_event_kind.rs b/kb_lib/src/db/types/liquidity_event_kind.rs
new file mode 100644
index 0000000..1671590
--- /dev/null
+++ b/kb_lib/src/db/types/liquidity_event_kind.rs
@@ -0,0 +1,34 @@
+// file: kb_lib/src/db/types/liquidity_event_kind.rs
+
+//! Liquidity event kind.
+
+/// Normalized liquidity event kind.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+pub enum KbLiquidityEventKind {
+    /// Liquidity addition.
+    Add,
+    /// Liquidity removal.
+    Remove,
+}
+
+impl KbLiquidityEventKind {
+    /// Converts the event kind to its stable integer representation.
+    pub fn to_i16(self) -> i16 {
+        match self {
+            Self::Add => 0,
+            Self::Remove => 1,
+        }
+    }
+
+    /// Restores an event kind from its stable integer representation.
+    pub fn from_i16(value: i16) -> Result<Self, crate::KbError> {
+        match value {
+            0 => Ok(Self::Add),
+            1 => Ok(Self::Remove),
+            _ => Err(crate::KbError::Db(format!(
+                "invalid KbLiquidityEventKind value: {}",
+                value
+            ))),
+        }
+    }
+}
diff --git a/kb_lib/src/db/types/swap_trade_side.rs b/kb_lib/src/db/types/swap_trade_side.rs
new file mode 100644
index 0000000..084dde6
--- /dev/null
+++ b/kb_lib/src/db/types/swap_trade_side.rs
@@ -0,0 +1,38 @@
+// file: kb_lib/src/db/types/swap_trade_side.rs
+
+//! Swap trade side.
+
+/// Swap side relative to the normalized base token of the pair.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+pub enum KbSwapTradeSide {
+    /// Unknown or not yet derived.
+    Unknown,
+    /// Buy of the base token against the quote token.
+    BuyBase,
+    /// Sell of the base token against the quote token.
+    SellBase,
+}
+
+impl KbSwapTradeSide {
+    /// Converts the trade side to its stable integer representation.
+    pub fn to_i16(self) -> i16 {
+        match self {
+            Self::Unknown => 0,
+            Self::BuyBase => 1,
+            Self::SellBase => 2,
+        }
+    }
+
+    /// Restores a trade side from its stable integer representation.
+    pub fn from_i16(value: i16) -> Result<Self, crate::KbError> {
+        match value {
+            0 => Ok(Self::Unknown),
+            1 => Ok(Self::BuyBase),
+            2 => Ok(Self::SellBase),
+            _ => Err(crate::KbError::Db(format!(
+                "invalid KbSwapTradeSide value: {}",
+                value
+            ))),
+        }
+    }
+}
diff --git a/kb_lib/src/lib.rs b/kb_lib/src/lib.rs
index 6dcf665..aa8e66e 100644
--- a/kb_lib/src/lib.rs
+++ b/kb_lib/src/lib.rs
@@ -102,6 +102,24 @@ pub use crate::db::KbPoolTokenEntity;
 pub use crate::db::KbPoolTokenRole;
 pub use crate::db::KbTokenDto;
 pub use crate::db::KbTokenEntity;
+pub use crate::db::KbLiquidityEventDto;
+pub use crate::db::KbLiquidityEventEntity;
+pub use crate::db::KbLiquidityEventKind;
+pub use crate::db::KbSwapDto;
+pub use crate::db::KbSwapEntity;
+pub use crate::db::KbSwapTradeSide;
+pub use crate::db::KbTokenBurnEventDto;
+pub use crate::db::KbTokenBurnEventEntity;
+pub use crate::db::KbTokenMintEventDto;
+pub use crate::db::KbTokenMintEventEntity;
+pub use crate::db::list_recent_liquidity_events;
+pub use crate::db::list_recent_swaps;
+pub use crate::db::list_recent_token_burn_events;
+pub use crate::db::list_recent_token_mint_events;
+pub use crate::db::upsert_liquidity_event;
+pub use crate::db::upsert_swap;
+pub use crate::db::upsert_token_burn_event;
+pub use crate::db::upsert_token_mint_event;
 pub use crate::db::get_token_by_mint;
 pub use crate::db::list_dexes;
 pub use crate::db::upsert_dex;